venezuela

Summary

Top Publications

  1. pmc Effective control of dengue vectors with curtains and water container covers treated with insecticide in Mexico and Venezuela: cluster randomised trials
    Axel Kroeger
    Special Programme for Research and Training in Tropical Medicine TDR WHO, World Health Organization, Geneva, Switzerland
    BMJ 332:1247-52. 2006
  2. ncbi High sequence diversity and evidence of balancing selection in the Pvmsp3alpha gene of Plasmodium vivax in the Venezuelan Amazon
    Rosalynn Ord
    Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
    Mol Biochem Parasitol 144:86-93. 2005
  3. ncbi [Tuberculosis in subjects under 15 years of age in the population of Warao in Venezuela]
    Carlos Fernández de Larrea
    Escuela de Medicina José María Vargas, Universidad Central de Venezuela, Caracas, Venezuela
    Invest Clin 43:35-48. 2002
  4. ncbi Environmental factors in Helicobacter pylori-related gastric precancerous lesions in Venezuela
    Ikuko Kato
    Karmanos Cancer Institute Department of Pathology, Wayne State University, Detroit MI, USA
    Cancer Epidemiol Biomarkers Prev 13:468-76. 2004
  5. ncbi Large urban outbreak of orally acquired acute Chagas disease at a school in Caracas, Venezuela
    Belkisyolé Alarcón de Noya
    Departments of Immunology, Instituto de Medicina Tropical, Universidad Central de Venezuela Código Postal 1041, Los Chaguaramos, Caracas, Venezuela
    J Infect Dis 201:1308-15. 2010
  6. ncbi Prevalence and risk factors associated with the metabolic syndrome and dyslipidemia in White, Black, Amerindian and Mixed Hispanics in Zulia State, Venezuela
    Hermes Florez
    University of Miami Miller School of Medicine, 1450 NW 10th Avenue, Diabetes Research Institute 2054, Miami, FL 33136, USA
    Diabetes Res Clin Pract 69:63-77. 2005
  7. ncbi Leishmania and sand flies: proximity to woodland as a risk factor for infection in a rural focus of visceral leishmaniasis in west central Venezuela
    M Dora Feliciangeli
    Universidad de Carabobo, Nucleo Aragua, Maracay, Venezuela
    Trop Med Int Health 11:1785-91. 2006
  8. ncbi Abundance of Lutzomyia ovallesi but not Lu. gomezi (Diptera: Psychodidae) correlated with cutaneous leishmaniasis incidence in north-central Venezuela
    M D Feliciangeli
    Facultad de Ciencias de la Salud, Universidad de Carabobo, and Escuela de Malariología Dr Arnoldo Gabaldón
    Med Vet Entomol 12:121-31. 1998
  9. ncbi Mixed domestic infestation by Rhodnius prolixus Stal, 1859 and Panstrongylus geniculatus Latreille, 1811, vector incrimination, and seroprevalence for Trypanosoma cruzi among inhabitants in El Guamito, Lara State, Venezuela
    M Dora Feliciangeli
    Facultad de Ciencias de la Salud, BIOMED, Universidad de Carabobo, Nucleo Aragua, Apartado 4873, Maracay, Venezuela
    Am J Trop Med Hyg 71:501-5. 2004
  10. ncbi [Economic impact of dengue and dengue hemorrhagic fever in the State of Zulia, Venezuela, 1997-2003]
    Germán Añez
    Seccion de Virologia, Instituto de Investigaciones Clinicas Dr Americo Negrette, Facultad de Medicina, Universidad del Zulia, Maracaibo, Estado Zulia, Venezuela
    Rev Panam Salud Publica 19:314-20. 2006

Detail Information

Publications342 found, 100 shown here

  1. pmc Effective control of dengue vectors with curtains and water container covers treated with insecticide in Mexico and Venezuela: cluster randomised trials
    Axel Kroeger
    Special Programme for Research and Training in Tropical Medicine TDR WHO, World Health Organization, Geneva, Switzerland
    BMJ 332:1247-52. 2006
    ..To measure the impact on the dengue vector population (Aedes aegypti) and disease transmission of window curtains and water container covers treated with insecticide...
  2. ncbi High sequence diversity and evidence of balancing selection in the Pvmsp3alpha gene of Plasmodium vivax in the Venezuelan Amazon
    Rosalynn Ord
    Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
    Mol Biochem Parasitol 144:86-93. 2005
    ..Our findings support the use of Pvmsp3alpha genotyping as a tool for monitoring interventions aimed at control of P. vivax...
  3. ncbi [Tuberculosis in subjects under 15 years of age in the population of Warao in Venezuela]
    Carlos Fernández de Larrea
    Escuela de Medicina José María Vargas, Universidad Central de Venezuela, Caracas, Venezuela
    Invest Clin 43:35-48. 2002
    ..The Warao people of the Delta Amacuro State in Venezuela, have a very high prevalence of adult TB, and we suspected that the Warao children would also have a high ..
  4. ncbi Environmental factors in Helicobacter pylori-related gastric precancerous lesions in Venezuela
    Ikuko Kato
    Karmanos Cancer Institute Department of Pathology, Wayne State University, Detroit MI, USA
    Cancer Epidemiol Biomarkers Prev 13:468-76. 2004
    ..Among a population with an extremely high prevalence of HP infection ( approximately 95%) in Venezuela, we examined the relationship of household characteristics, smoking, alcohol drinking, dietary consumption, and ..
  5. ncbi Large urban outbreak of orally acquired acute Chagas disease at a school in Caracas, Venezuela
    Belkisyolé Alarcón de Noya
    Departments of Immunology, Instituto de Medicina Tropical, Universidad Central de Venezuela Código Postal 1041, Los Chaguaramos, Caracas, Venezuela
    J Infect Dis 201:1308-15. 2010
    ..Trypanosoma cruzi oral transmission is possible through food contamination by vector's feces. Little is known about the epidemiology and clinical features of microepidemics of orally acquired acute Chagas disease (CD)...
  6. ncbi Prevalence and risk factors associated with the metabolic syndrome and dyslipidemia in White, Black, Amerindian and Mixed Hispanics in Zulia State, Venezuela
    Hermes Florez
    University of Miami Miller School of Medicine, 1450 NW 10th Avenue, Diabetes Research Institute 2054, Miami, FL 33136, USA
    Diabetes Res Clin Pract 69:63-77. 2005
    ..To estimate the prevalence of the MS and its components in Zulia State, Venezuela, and to establish associated demographic and clinical factors, we evaluated 3108 Hispanic men and women aged 20 ..
  7. ncbi Leishmania and sand flies: proximity to woodland as a risk factor for infection in a rural focus of visceral leishmaniasis in west central Venezuela
    M Dora Feliciangeli
    Universidad de Carabobo, Nucleo Aragua, Maracay, Venezuela
    Trop Med Int Health 11:1785-91. 2006
    To relate entomological, epidemiological and geographical data to understand the transmission dynamics of visceral leishmaniasis (VL) in a closed focus in western Venezuela.
  8. ncbi Abundance of Lutzomyia ovallesi but not Lu. gomezi (Diptera: Psychodidae) correlated with cutaneous leishmaniasis incidence in north-central Venezuela
    M D Feliciangeli
    Facultad de Ciencias de la Salud, Universidad de Carabobo, and Escuela de Malariología Dr Arnoldo Gabaldón
    Med Vet Entomol 12:121-31. 1998
    In north-central Venezuela Lutzomyia gomezi and Lu. ovallesi are the main endophilic/anthropophilic species of phlebotomine sandflies implicated as vectors of cutaneous leishmaniasis (CL)...
  9. ncbi Mixed domestic infestation by Rhodnius prolixus Stal, 1859 and Panstrongylus geniculatus Latreille, 1811, vector incrimination, and seroprevalence for Trypanosoma cruzi among inhabitants in El Guamito, Lara State, Venezuela
    M Dora Feliciangeli
    Facultad de Ciencias de la Salud, BIOMED, Universidad de Carabobo, Nucleo Aragua, Apartado 4873, Maracay, Venezuela
    Am J Trop Med Hyg 71:501-5. 2004
    ..1811 was detected in 3 (15%) of 20 dwellings in El Guamito, an endemic focus of Chagas disease in Lara State, Venezuela. In one of the houses, both species were positive for Trypanosoma cruzi: 14.3% (R. prolixus) and 20% (P...
  10. ncbi [Economic impact of dengue and dengue hemorrhagic fever in the State of Zulia, Venezuela, 1997-2003]
    Germán Añez
    Seccion de Virologia, Instituto de Investigaciones Clinicas Dr Americo Negrette, Facultad de Medicina, Universidad del Zulia, Maracaibo, Estado Zulia, Venezuela
    Rev Panam Salud Publica 19:314-20. 2006
    To determine the direct and indirect costs of medical care provided to cases of dengue and dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS) between 1997 and 2003 in Zulia State, Venezuela.
  11. ncbi Abundance, biting behaviour and parous rate of anopheline mosquito species in relation to malaria incidence in gold-mining areas of southern Venezuela
    J E Moreno
    Instituto de Altos Estudios en Salud Pública Dr Arnoldo Gabaldon, Maracay, Venezuela, and Centro de Investigaciones de Campo Dr Francesco Vitanza, Tumeremo, Estado Bolivar, Venezuela
    Med Vet Entomol 21:339-49. 2007
    A longitudinal entomological and epidemiological study was conducted in five localities of southern Venezuela between January 1999 and April 2000 to determine the abundance, biting behaviour and parity of anopheline mosquitoes (Diptera: ..
  12. pmc Evidence for clonal propagation in natural isolates of Plasmodium falciparum from Venezuela
    L Urdaneta
    Centro de Investigaciones Biomedicas, Universidad de Carabobo, , AP 2351, Maracay, Estado Aragua, Venezuela
    Proc Natl Acad Sci U S A 98:6725-9. 2001
    We have analyzed 75 isolates of Plasmodium falciparum, collected in Venezuela during both the dry (November) and rainy (May-July) seasons, with a range of genetic markers including antigen genes and 14 random amplified polymorphic DNA (..
  13. pmc Mycobacterium tuberculosis ecology in Venezuela: epidemiologic correlates of common spoligotypes and a large clonal cluster defined by MIRU-VNTR-24
    Edgar Abadia
    Laboratorio de Genetica Molecular, CMBC, Instituto Venezolano de Investigaciones Cientificas IVIC, 1020A Caracas, Venezuela
    BMC Infect Dis 9:122. 2009
    ..We sought to investigate the prevalence of Mycobacterium tuberculosis strains in different regions of Venezuela. A previous study identified the most prevalent strains in Venezuela but did not show geographical distribution ..
  14. pmc West Nile virus, Venezuela
    Irene Bosch
    Emerg Infect Dis 13:651-3. 2007
  15. ncbi [An entomological and seroepidemiological study of Chagas' disease in an area in central-western Venezuela infested with Triatoma maculata (Erichson 1848)]
    María Elena Rojas
    Decanato de Medicina, Universidad Centro Occidental Lisandro Alvarado, Barquisimeto, Venezuela
    Cad Saude Publica 24:2323-33. 2008
    ..in a circumscribed area infested with Triatoma maculata in Parroquia Xaguas, Urdaneta Municipality, Lara State, Venezuela. One hundred and forty households, 509 persons, and 110 dogs were sampled...
  16. ncbi Parameters of Leishmania braziliensis transmission by indoor Lutzomyia ovallesi in Venezuela
    Jorge E Rabinovich
    Centro de Estudios Parasitologicos y de Vectores, Nacional de La Plata, La Plata, Provincia de Buenos Aires, Argentina
    Am J Trop Med Hyg 70:373-82. 2004
    ..1494, P < 0.2). We discuss possible sources of error of our estimate of epsilon, and compare our parameter estimates with those obtained in Peru...
  17. ncbi Ecological characterization of the aquatic habitats of mosquitoes (Diptera: Culicidae) in enzootic foci of Venezuelan equine encephalitis virus in western Venezuela
    Dayaleth Alfonzo
    Instituto de Zoologia Tropical, Universidad Central de Venezuela, Caracas 1041 A, Venezuela
    J Med Entomol 42:278-84. 2005
    ..aquatic mosquito habitats in and around enzootic foci of Venezuelan Equine Encephalitis virus (VEE) in western Venezuela. Specimens were sampled for 5 mo in three types of vegetation: tall lowland tropical forests, short inundated/..
  18. ncbi Low transmission areas of schistosomiasis in Venezuela: consequences on the diagnosis, treatment, and control
    Belkisyolé Alarcón de Noya
    Catedra de Parasitologia, Escuela Luis Razetti, Universidad Central de Venezuela
    Mem Inst Oswaldo Cruz 101:29-35. 2006
    Schistosomiasis low transmission areas as Venezuela, can be defined as those where the vector exists, the prevalence of active cases is under 25%, individuals with mild intensity of infection predominate and are mostly asymptomatic...
  19. ncbi Filariasis focus due to Mansonella ozzardi and Mansonella perstans in the Amazon Federal Territory of Venezuela
    S Formica
    Tropical Medicine Institute U C V, Caracas, Venezuela
    J Trop Med Hyg 93:160-5. 1990
    ..Indians from communities located on the Casiquiare and Guainia Rivers in the Amazon Federal Territory of Venezuela. The results gave an 82.5% prevalence for infections with Mansonella perstans and 30% for infections with M...
  20. ncbi Immune recovery uveitis in AIDS patients with cytomegalovirus retinitis treated with highly active antiretroviral therapy in Venezuela
    J Fernando Arevalo
    Retina and Vitreous Service, Clinica Oftalmologica Centro Caracas, Centro Caracas PH 1, Av Panteon, San Bernardino, Caracas 1010, Venezuela
    Retina 23:495-502. 2003
    ....
  21. ncbi Use of the pupal/demographic-survey technique to identify the epidemiologically important types of containers producing Aedes aegypti (L.) in a dengue-endemic area of Venezuela
    A E Lenhart
    Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, U K
    Ann Trop Med Parasitol 100:S53-S59. 2006
    ..Results from larval and pupal surveys applied in Venezuela illustrate the uniqueness of the information gained from pupal surveys; information that is lost when ..
  22. ncbi Epizootics of yellow fever in Venezuela (2004-2005): an emerging zoonotic disease
    Pedro M Rifakis
    Pérez de Léon Hospital, Caracas, Venezuela
    Ann N Y Acad Sci 1081:57-60. 2006
    ..and epizootics of yellow fever (YF) have been occurring in the border area of eastern Colombia and western Venezuela since 2003; for this reason many epidemiological control measures were adopted by the Ministry of Health (MOH) ..
  23. ncbi Population genetic structure of the dengue mosquito Aedes aegypti in Venezuela
    Flor Herrera
    Centro de Investigaciones Biomedicas, Universidad de Carabobo Callejón Cecilio Acosta, Avda Las Delicias, Maracay 2101, Aragua, Venezuela
    Mem Inst Oswaldo Cruz 101:625-33. 2006
    The mosquito Aedes aegypti is the main vector of dengue in Venezuela. The genetic structure of this vector was investigated in 24 samples collected from eight geographic regions separated by up to 1160 km...
  24. ncbi Human infection with Ehrlichia canis accompanied by clinical signs in Venezuela
    Miriam Perez
    Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, 1925 Coffey Road, Columbus, OH 43210 1093, USA
    Ann N Y Acad Sci 1078:110-7. 2006
    ..compatible with human monocytic ehrlichiosis (HME), who were admitted to the emergency clinic in Lara State, Venezuela, were studied...
  25. ncbi Malaria entomological inoculation rates in gold mining areas of Southern Venezuela
    Jorge E Moreno
    Instituto de Altos Estudios en Salud Pública Dr Arnoldo Gabaldon, Maracay, Venezuela
    Mem Inst Oswaldo Cruz 104:764-8. 2009
    ..of malaria vectors aiming to describe the intensity of transmission was carried out in five villages of Southern Venezuela between January 1999-April 2000...
  26. ncbi Ehrlichia platys (Anaplasma platys) in dogs from Maracaibo, Venezuela: an ultrastructural study of experimental and natural infections
    C Arraga-Alvarado
    Unidad de Investigacioned Clínicas Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
    Vet Pathol 40:149-56. 2003
    Since 1982 Ehrlichia platys, now emended as Anaplasma platys, has been diagnosed in dogs from Maracaibo, Venezuela, using buffy coat smears stained with Dip Quick. Three dogs were inoculated with an A. platys strain...
  27. ncbi Brucellosis in Venezuela
    J Francisco
    Area de Medicina de Grandes Animales, Departamento de Medicina y Cirugia, Decanato de Ciencias Veterinarias, Universidad Centroccidental Lisandro Alvarado, Barquisimeto, Estado Lara 5001, Venezuela
    Vet Microbiol 90:39-44. 2002
    Brucellosis is a public health problem in Venezuela and affects large numbers of animals. The most important biovar in the country is Brucella abortus...
  28. ncbi Pneumococcal carriage among indigenous Warao children in Venezuela: serotypes, susceptibility patterns, and molecular epidemiology
    Ismar A Rivera-Olivero
    Laboratorio de Tuberculosis, Instituto de Biomedicina, Hospital Vargas, San Jose, Caracas, Venezuela
    Clin Infect Dis 45:1427-34. 2007
    ..The Warao people, an indigenous population from Venezuela, live in the delta of the Orinoco River in geographically isolated communities with difficult access to medical ..
  29. pmc Case-control study of gastric cancer screening in Venezuela
    P Pisani
    International Agency for Research on Cancer, Lyon, France
    Br J Cancer 69:1102-5. 1994
    A screening programme for early gastric cancer was introduced in the state of Tachira, Venezuela, in 1980. Screening was performed by photofluorography, using two mobile units...
  30. ncbi Species co-occurrence and feeding behavior in sand fly transmission of American cutaneous leishmaniasis in western Venezuela
    Luis Fernando Chaves
    Laboratorio de Biología Teórica, Instituto de Zoologia Tropical, Facultad de Ciencias, Universidad Central de Venezuela, Apartado 47058, Caracas 1041 A, Venezuela
    Acta Trop 92:219-24. 2004
    ..Finally, we suggest additional approaches to study the role of the sand fly community structure on the genesis and dynamics of transmission of American cutaneous leishmaniasis...
  31. ncbi Anemia and thrombocytopenia in children with Plasmodium vivax malaria
    Alfonso J Rodriguez-Morales
    Environmental Health Regional Malariology Office, Ministry of Health, Sucre, Venezuela
    J Trop Pediatr 52:49-51. 2006
    ..Over a 3-year period, 78 children with P. vivax infection were admitted to our Hospital in Sucre, Venezuela. Clinical manifestations at admission were 93.59 per cent fever, 41.03 per cent chills and 14...
  32. ncbi Distribution of Lymnaeidae (Mollusca: Pulmonata), intermediate snail hosts of Fasciola hepatica in Venezuela
    J P Pointier
    UMR 5244 CNRS EPHE UPVD, Universite de Perpignan, Via Domitia, 52 Avenue Paul Alduy, Perpignan Cedex, France
    Mem Inst Oswaldo Cruz 104:790-6. 2009
    ..in order to clarify the exact number of lymnaeid species which may be intermediate hosts of Fasciola hepatica in Venezuela. Four species were discovered during this survey, including two local species: Lymnaea cubensis and Lymnaea ..
  33. ncbi Lymnaea cousini Jousseaume, 1887 (Gastropoda: Lymnaeidae): first record for Venezuela
    J P Pointier
    Laboratoire de Biologie Marine et Malacologie, EPHE, CBETM, Parasitologie Fonctionnelle et Evolutive UMR 5555 du CNRS, Universite, 52 Avenue Paul Alduy, 66860 Perpignan, France
    Mem Inst Oswaldo Cruz 99:567-9. 2004
    Lymnaea cousini Jousseaume, 1887 was collected in Mucubaji, Merida State, Venezuela, from a permanent pond located at a very high altitude (3760 m)...
  34. ncbi Molecular epidemiology of HIV-1 in Venezuela: high prevalence of HIV-1 subtype B and identification of a B/F recombinant infection
    Erika Castro
    Department of Immunology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil
    J Acquir Immune Defic Syndr 32:338-44. 2003
    The authors assessed HIV-1 variability in two distinct areas of Venezuela (the capital Caracas and Margarita Island) through the analysis of blood specimens and clinical and epidemiologic data of 72 persons...
  35. pmc ama1 genes of sympatric Plasmodium vivax and P. falciparum from Venezuela differ significantly in genetic diversity and recombination frequency
    Rosalynn L Ord
    Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
    PLoS ONE 3:e3366. 2008
    ..falciparum collected in the Venezuelan Amazon...
  36. ncbi Community-randomized trial of lambdacyhalothrin-treated hammock nets for malaria control in Yanomami communities in the Amazon region of Venezuela
    M Magris
    Centro Amazónico de Investigación y Control de Enfermedades Tropicales Simón Bolivar, Puerto Ayacucho, Estado Amazonas, Venezuela
    Trop Med Int Health 12:392-403. 2007
    ..community-randomized controlled trial in an area of moderate malaria transmission in the Amazon region, southern Venezuela, home of the Yanomami indigenous ethnic group...
  37. ncbi Male sex pheromones and the phylogeographic structure of the Lutzomyia longipalpis species complex (Diptera: Psychodidae) from Brazil and Venezuela
    Phillip C Watts
    School of Biological Sciences, Liverpool University, Liverpool, United Kingdom
    Am J Trop Med Hyg 73:734-43. 2005
    ..investigated the phylogeographic pattern of variation at microsatellite loci from 11 populations from Brazil and Venezuela related to their male pheromone. Temporal genetic differentiation was mostly not significant at the same site...
  38. ncbi A case-control study of gastric cancer in Venezuela
    N Munoz
    Unit of Field and Intervention Studies, International Agency for Research on Cancer, Lyon, France
    Int J Cancer 93:417-23. 2001
    ..for gastric cancer was carried out among 292 cases of gastric cancer and 485 controls in a high-risk area of Venezuela. Subjects were interviewed using a structured questionnaire, which elicited information on residential history, ..
  39. ncbi Acute respiratory distress syndrome in Plasmodium vivax malaria in traveler returning from Venezuela
    Nuccia Saleri
    Institute for Infectious and Tropical Diseases, University of Brescia, Brescia, Italy
    J Travel Med 13:112-3. 2006
  40. ncbi Anaemia and malaria in Yanomami communities with differing access to healthcare
    P Grenfell
    London School of Hygiene and Tropical Medicine, London, UK
    Trans R Soc Trop Med Hyg 102:645-52. 2008
    ..The Yanomami are traditionally semi-nomadic people living in widely dispersed communities in Amazonian Venezuela and Brazil...
  41. ncbi 24-locus MIRU-VNTR genotyping is a useful tool to study the molecular epidemiology of tuberculosis among Warao Amerindians in Venezuela
    Mailis Maes
    Laboratorio de Tuberculosis, Instituto de Biomedicina, al lado de Hospital Vargas, San Jose, Caracas, Venezuela
    Tuberculosis (Edinb) 88:490-4. 2008
    ..of the study year, from the Warao people, an indigenous population who live in a geographically isolated area in Venezuela and have a high TB incidence of 450/100,000...
  42. ncbi Replacement of hepatitis C virus genotype 1b by genotype 2 over a 10-year period in Venezuela
    Flor H Pujol
    Laboratorio de Virologia Molecular, CMBC, IVIC, Caracas, Venezuela
    J Clin Gastroenterol 41:518-20. 2007
    ..Changes in hepatitis C virus (HCV) genotype distribution with time have been reported in several countries...
  43. ncbi Mitochondrial sequence variation in the Guahibo Amerindian population from Venezuela
    Giuseppe Vona
    Department of Experimental Biology, Section of Anthropological Sciences, University of Cagliari, 09042 Cagliari, Italy
    Am J Phys Anthropol 127:361-9. 2005
    New data were obtained on mitochondrial DNA (mtDNA) from Guahibo from Venezuela, a group so far not studied using molecular data...
  44. ncbi Subgenotype diversity of hepatitis B virus American genotype F in Amerindians from Venezuela and the general population of Colombia
    M Devesa
    Laboratorio de Virologia Molecular, CMBC, IVIC, Caracas, Venezuela
    J Med Virol 80:20-6. 2008
    ..analysis of the S region in 194 isolates showed that genotype F is highly predominant in Colombia and Venezuela. This might be related to the genetic background of the population...
  45. ncbi Detection of insecticide resistance in Aedes aegypti (Diptera: Culicidae) from Cuba and Venezuela
    M M Rodriguez
    Departamento de Control de Vectores, Instituto de Medicina Tropical Pedro Kouri Autopista Novia del Mediodía, Ciudad Habana, Cuba
    J Med Entomol 38:623-8. 2001
    Four strains of Aedes aegypti (L.), one from Cuba and three from Venezuela, were bioassayed for susceptibility to eight insecticides, including the organophosphates, temephos, malathion, fenthion, pirimiphos methyl, and chlorpyrifos, and ..
  46. ncbi Pregnancy outcomes associated with Plasmodium vivax malaria in northeastern Venezuela
    Alfonso J Rodriguez-Morales
    Instituto Experimental Jose Witremundo Torrealba, Universidad de Los Andes, Trujillo, Venezuela
    Am J Trop Med Hyg 74:755-7. 2006
    ..vivax malaria in pregnant women complicated in some by miscarriage or preterm deliveries and in others with significant degrees of anemia and thrombocytopenia in a population where P. vivax is endemic in northeastern Venezuela.
  47. ncbi New advances in molecular epizootiology of canine hematic protozoa from Venezuela, Thailand and Spain
    A Criado-Fornelio
    Departamento de Microbiologia y Parasitologia, Facultad de Farmacia, Universidad de Alcala, 28871 Alcala de Henares, Spain
    Vet Parasitol 144:261-9. 2007
    ..particularly Babesia canis vogeli) in canids from Venezuela, Thailand and Spain was studied by amplification and sequencing of the 18S rRNA gene. H...
  48. pmc Density estimates of the domestic vector of Chagas disease, Rhodnius prolixus Stål (Hemiptera: Reduviidae), in rural houses in Venezuela
    J E Rabinovich
    , Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Cuidad Universitaria, Argentina
    Bull World Health Organ 73:347-57. 1995
    ..Rhodnius prolixus Stål bugs from the walls and roofs of 14 typical palm-leaf rural houses located in Cojedes, Venezuela, spending 40 minutes searching in each house...
  49. ncbi Imported cases of malaria admitted to two hospitals of Margarita Island, Venezuela, 1998-2005
    Alfonso J Rodriguez-Morales
    Instituto Experimental Jose Witremundo Torrealba, Universidad de Los Andes, Trujillo, Venezuela
    Travel Med Infect Dis 7:44-8. 2009
    ..However, Plasmodium vivax the predominant Plasmodium spp. in Venezuela can also lead to severe malaria.
  50. ncbi Cytogenetic analysis of three species of the genus Haemulon (Teleostei: Haemulinae) from Margarita Island, Venezuela
    Mauro Nirchio
    Escuela de Ciencias Aplicadas del Mar, Universidad de Oriente, Boca del Rio, Isla de Margarita, Apartado Postal 147, Venezuela
    Genetica 131:135-40. 2007
    ..Our data suggest that chromosome evolution of Haemulon has been preserved from major changes in the karyotypic macrostructure, whereas microstructural changes have occurred...
  51. ncbi High-dose (5000-microg) intravitreal ganciclovir combined with highly active antiretroviral therapy for cytomegalovirus retinitis in HIV-infected patients in Venezuela
    J F Arevalo
    Retina and Vitreous Service, Clinica Oftalmologica Centro Caracas, Caracas, Venezuela
    Eur J Ophthalmol 15:610-8. 2005
    ..To describe the use of high doses of intravitreal ganciclovir combined with highly active antiretroviral therapy (HAART) for the treatment of cytomegalovirus (CMV) retinitis in human immunodeficiency virus (HIV)-infected patients...
  52. ncbi Methanobrevibacter phylotypes are the dominant methanogens in sheep from Venezuela
    Andre Denis G Wright
    CSIRO Livestock Industries, Centre for Environment and Life Sciences, WA 6913, Australia
    Microb Ecol 56:390-4. 2008
    Rumen methanogens in sheep from Venezuela were examined using 16S rRNA gene libraries and denaturing gradient gel electrophoresis (DGGE) profiles prepared from pooled and individual PCR products from the rumen contents from 10 animals...
  53. ncbi The re-emergence of American visceral leishmaniasis in an old focus in Venezuela. II. Vectors and parasites
    M D Feliciangeli
    Universidad de Carabobo, Facultad de Ciencias de la Salud, BIOMED, Maracay, Venezuela
    Parasite 6:113-20. 1999
    As part of an epidemiological study in an old focus of American Visceral Leishmaniasis (AVL) in Venezuela (Guayabita, Aragua State), a longitudinal entomological survey (January 1993-June 1994) was carried out...
  54. ncbi [Total and fecal coliforms, some enterobacteria staphylococcus sp. and moulds in salads for hot dogs sold in Maracay, Venezuela]
    L Acevedo
    , Universidad Central de Venezuela-Maracay, Venezuela
    Arch Latinoam Nutr 51:366-70. 2001
    ..The mould population was 4.5 x 10(4) ufc/g, Penicillium sp., Aspergillus, sp., Fusarium sp. were partially identified. The salads presented a pH of 5.92 and an acidity of 0.78 ml of NaOH...
  55. ncbi Spatial dispersion of adult mosquitoes (Diptera: Culicidae) in a sylvatic focus of Venezuelan equine encephalitis virus
    W Mendez
    , Universidad Central de Venezuela, Caracas
    J Med Entomol 38:813-21. 2001
    ..the spatial localization of mosquitoes in sylvatic focus of Venezuelan equine encephalitis virus in western Venezuela to identify mosquito species potentially involved in the hypothesized transport of viruses out of enzootic foci...
  56. ncbi [Inventory of reptiles in 2 semi-arid zones from Northeastern of the Peninsula de Araya, Sucre State, Venezuela]
    E Pablo Cornejo
    Departamento de Biologia, Escuela de Ciencias, Nucleo de Sucre, Universidad de Oriente, Apartado 245, Cumana, Venezuela
    Acta Cient Venez 52:265-71. 2001
    ..of reptiles in two localities from Northeastern Peninsula de Araya (Guayacán and El Morahal), Sucre State, Venezuela, was evaluated...
  57. ncbi Histoplasmine and paracoccidiodine epidemiological study in Upata, Bolívar state, Venezuela
    Julman R Cermeño
    Departamento de Parasitologia y Microbiologia, Universidad de Oriente, Bolivar, Venezuela
    Trop Med Int Health 10:216-9. 2005
    To determine the prevalence of histoplasmosis and paracoccidiomycosis in Upata, a city in Bolivar state, Venezuela.
  58. ncbi Cryptococcus neoformans, Cryptococcus gattii: serotypes in Venezuela
    C Perez
    Sección de Micología Médica, Instituto de Medicina Tropical, Universidad Central de Venezuela, Apartado 47408, Los Chaguaramos, Caracas 1041, Venezuela
    Mycopathologia 166:149-53. 2008
    ..Of the 132 isolates 59.8% were typed serotype A (C. neoformans), followed by 25.8% serotype D (C. neoformans), 5.3% serotype AD (C. neoformans), and 5.3% were typed serotype C (var. gattii). Additionally 3.8% were serotype B (C. gattii)...
  59. ncbi Genetic diversity of merozoite surface protein-1 gene of Plasmodium vivax isolates in mining villages of Venezuela (Bolivar State)
    Marie Claude Leclerc
    Laboratoire de Génétique et Evolution des Maladies Infectieuses, UMR CNRS IRD 2774, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
    Acta Trop 95:26-32. 2005
    ..In fact, the variable repeats of poly-Q residues involved in the polymorphism of Belem type and recombinant isolates are responsible for a great part of variability observed in MSP-1 block 5...
  60. ncbi Postweaning multisystemic wasting syndrome in pigs in Venezuela
    J P Cano
    Vet Rec 156:620. 2005
  61. ncbi [Prevalence of intestinal parasites in children of Yukpa Ethnia in Toromo, Zulia State, Venezuela]
    Iris Díaz A
    Catedra de Parasitologia, Escuela de Bioanalisis, Universidad del Zulia, Venezuela
    Rev Med Chil 134:72-8. 2006
    ..Yupkpa community in Perijá Sierra does not have drinking water or sewage elimination systems. Thus it becomes a propitious place for infection with intestinal parasites...
  62. ncbi The Buen Pastor cemetery in Trujillo, Venezuela: measuring dengue vector output from a public area
    Mayumi Abe
    Liverpool School of Tropical Medicine, Liverpool, UK
    Trop Med Int Health 10:597-603. 2005
    ..of such places as sources of dengue vectors, a study of Aedes aegypti productivity in a cemetery in northern Venezuela, using standard entomological indices for assessing dengue vector infestations, was carried out in the wet ..
  63. ncbi Presence in the media of the topic "donation and transplantation of organs and tissues" during the 2005 to 2007 period in Venezuela as a strategy to improve its perception in Venezuelan society
    Z Pacheco
    Organización Nacional de Trasplante de Venezuela Sistema de Procura de Organos y Tejidos, Caracas, Venezuela
    Transplant Proc 41:3462-5. 2009
    ....
  64. ncbi [Association of HLA class I and leukemia in mestizo patients of the state of Zulia, Venezuela]
    Carmen Villalobos
    Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
    Invest Clin 44:283-9. 2003
    ..706; p = 0.0021) and haplotype 3 loci: HLA-A*02-B*40-C*03 (RR = 8.11; p = 0.0102) and Myeloid Leukemia were found. No association was evident in Acute Lymphoid Leukemia. No negative association with Leukemias were observed...
  65. ncbi Seasonal and nocturnal domiciliary human landing/biting behaviour of Lutzomyia (Lutzomyia) evansi and Lutzomyia (Psychodopygus) panamensis (Diptera; Psychodidae) in a periurban area of a city on the Caribbean coast of eastern Venezuela (Barcelona; Anzoáte
    R Gonzalez
    Laboratorio de Vectores de Enfermedades Tropicales, Universidad de Oriente, Bolivar, Venezuela
    Trans R Soc Trop Med Hyg 93:361-4. 1999
    ..visceral leishmaniasis (AVL) have been reported in periurban areas of Barcelona city (Anzoátegui State, Venezuela)...
  66. ncbi [Toxocara spp. and other helminths in squares and parks of Ciudad Bolívar, Bolivar State (Venezuela)]
    Rodolfo Devera
    Grupo de Parasitosis Intestinal, Departamento de Parasitologia y Microbiologia, Escuela de Ciencias de la Salud, Universidad de Oriente, Ciudad Bolivar, Estado Bolivar, Venezuela
    Enferm Infecc Microbiol Clin 26:23-6. 2008
    ..Ciudad Bolívar (Bolivar State, Venezuela) is a city with a large dog population...
  67. ncbi Evaluating periodontal conditions in patients with von Willebrand's disease in Hospital Universitario de Maracaibo (University Hospital, Maracaibo)-Venezuela
    Marisol Benito Urdaneta
    La Universidad de Zulia, Venezuela
    Med Oral Patol Oral Cir Bucal 13:E303-6. 2008
    To evaluate the periodontal conditions of patients with von Willebrand's Disease (vWD who went for dental examination in the "Area of attention to patients with systemic disease" of the University Hospital in Maracaibo, Venezuela.
  68. ncbi Prevalence of intestinal parasites in dogs under veterinary care in Maracaibo, Venezuela
    Roger A Ramírez-Barrios
    Cátedra de Enfermedades Parasitarias, Facultad de Ciencias Veterinarias, 3er Piso, Av Ziruma, Ciudad Universitaria, La Universidad del Zulia, Maracaibo, Estado Zulia, Venezuela
    Vet Parasitol 121:11-20. 2004
    ..05) greater prevalence of parasites in mixed-breed dogs (40.3%) as compared with pure-breed dogs (30.8%). A significant difference (P < 0.05) was detected between the general prevalence of January and December compared to August...
  69. ncbi [Interleukin-1 genetic polymorphism: association with gastric cancer in the high-risk Central-Western population of Venezuela]
    Miryan Cañas
    Laboratorio de Genética Molecular Dr Jorge Yunis Turbay, Decanato de Ciencias de Salud, Universidad Centroccidental Lisandro Alvarado, Barquisimeto, Venezuela
    Rev Med Chil 137:63-70. 2009
    ..Genetic predisposition may play a role in the prevalence of gastric cancer (GC)...
  70. ncbi [Nutritional and metabolic factors as risk factors for cardiovascular diseases in an adult population in the city of Maracibo, Estado Zulia, Venezuela]
    M García-Araujo
    Departamento de Ciencias Sociales y de la Educación, Escuela de Nutrición y Dietética, Universidad del Zulia, Maracaibo, Venezuela
    Invest Clin 42:23-42. 2001
    ....
  71. ncbi Notes about the impact of human seasonal migration on malaria spreading in rural Venezuela
    A Caraballo
    Immunochemistry Section, Instituto de Medicina Tropical, Unviersidad Central de Venezuela
    Roum Arch Microbiol Immunol 63:245-52. 2004
    This paper considers the effect of social and cultural factors on malaria spreading in rural Venezuela. It argues that standard vertical malaria control programs are inclined to ignore local workplace and living conditions instead of ..
  72. ncbi Occupational exposure to airborne mercury during gold mining operations near El Callao, Venezuela
    P L Drake
    National Institute for Occupational Safety and Health, Spokane Research Laboratory, 315E Montgomery, Spokane, WA 99207, USA
    Int Arch Occup Environ Health 74:206-12. 2001
    ..and Health (NIOSH) recently conducted a cross-sectional study during gold mining operations near El Callao, Venezuela. The purpose of the study was to assess mercury exposures and mercury-related microdamage to the kidneys...
  73. ncbi Intestinal parasitic infection and associated symptoms in children attending day care centres in Trujillo, Venezuela
    Steven A Miller
    Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    Trop Med Int Health 8:342-7. 2003
    To examine the presence of intestinal protozoan and helminth infections and their association with clinical signs and symptoms in children in Trujillo, Venezuela.
  74. ncbi Molecular epidemiology and characterization of resistance mechanisms to various antimicrobial agents in Acinetobacter baumannii isolated in Mérida, Venezuela
    Elsa Zuleima Salazar De Vegas
    Department of Bioanalysis, Bacteriology Laboratory, University of Oriente, Sucre Campus, Venezuela
    Med Sci Monit 13:BR89-94. 2007
    ..baumannii, currently resistant to most antibiotics. The purpose of this study was to characterize the epidemiological relationship and the mechanisms of resistance to several antimicrobial agents of a collection of A. baumannii strains...
  75. ncbi [Disease in scleractinian corals: a new problem in the reef at Cayo Sombrero, Morrocoy National Park, Venezuela?]
    Aldo Croquer
    Laboratorio de Comunidades Marinas, Universidad Simon Bolivar, Sartenejas, Caracas, Venezuela
    Rev Biol Trop 51:167-72. 2003
    At the beginning of 1996 coral reefs in Morrocoy National Park, Venezuela, suffered an unprecedented mass mortality event. As a consequence, live coral cover dropped to 2-10%...
  76. ncbi Gene flow between natural and domestic populations of Lutzomyia longipalpis (Diptera: Psychodidae) in a restricted focus of American visceral leishmaniasis in Venezuela
    L M Marquez
    Centro de Ecología Instituto Venezolano de Investigaciones Científicas, Apartado 21827, Caracas 1020, Venezuela
    J Med Entomol 38:12-6. 2001
    ..diagnostic loci Ak and Hk indicated that all specimens belonged to one of the two cryptic species identified in Venezuela. The average number of alleles per locus ranged from 2.0 to 2.9 and the average heterozygosity ranged from 7...
  77. ncbi Prematurity and maternal folate deficiency: anemia during pregnancy study group results in Valencia, Venezuela
    Arturo Martí-Carvajal
    Centro de Investigaciones Médicas y Biotecnológicas, Clinical Epidemiology Unit, Universidad de Carabobo, Venezuela
    Arch Latinoam Nutr 54:45-9. 2004
    ..Data was obtained in a tertiary hospital in Valencia, Venezuela. A total of 543 women who delivered between May and December 1996 entered into the study...
  78. ncbi Interrupting Chagas disease transmission in Venezuela
    A Ache
    Division de Epidemiologia, Dirección de Endemias Rurales, Malariología, Ministerio de Sanidad y Asistencia Social, Venezuela
    Rev Inst Med Trop Sao Paulo 43:37-43. 2001
    The interruption of vectorial transmission of Chagas disease in Venezuela is attributed to the combined effects of ongoing entomoepidemiological surveillance, ongoing house spraying with residual insecticides and the concurrent building ..
  79. ncbi [Sand-fly fauna (Díptera, psychodidae, phlebotominae) in Bolívar State, Venezuela]
    R Gonzalez
    Laboratorio de Vectores de Enfermedades Tropicales Unidad de Estudios Básicos e Departamento de Parasitología y Microbiología, Universidad de Oriente, Venezuela
    Rev Soc Bras Med Trop 32:721-3. 1999
    A descriptive study is presented of sand-fly fauna in Bolivar State, Venezuela. Identification was made of 2,364 sand-flies belonging to 18 species...
  80. ncbi [Pollination and pollinators in the vegetation of the coastal plain of Paraguaná, Falcón State, Venezuela]
    Luis José Lemus-Jiménez
    Universidad Nacional Experimental Francisco de Miranda, Coro, Estado Falcón, Venezuela
    Acta Cient Venez 54:97-114. 2003
    ..51 plant species according to life form, vegetation type, and flowering phenology in the Paraguaná peninsula, Venezuela. A total of 43 species of floral visitors were recorded from which only 33 (76...
  81. ncbi Role of the low affinity IgE receptor (CD23) on the IgE response against Ascaris lumbricoides in Warao Amerindian children from Venezuela
    Isabel Hagel
    Institute of Biomedicine, Faculty of Medicine, Central University of Venezuela, Caracas, Venezuela
    Invest Clin 47:241-51. 2006
    ..the role of the low affinity IgE receptor (CD23) in Amerindian Warao children from the Orinoco Delta, Venezuela. We studied a group of unselected (n = 159) Warao school children with high prevalence and intensity of ..
  82. ncbi Increased levels of lipoprotein (a) are related to family risk factors of cardiovascular disease in children and adolescents from Maracaibo, Venezuela
    Aida Souki-Rincón
    Centro de Investigaciones Endocrino Metabólicas Dr Félix Gómez, Facultad de Medicina, Universidad del Zulia, Maracaibo, Estado Zulia, Venezuela
    Am J Ther 15:403-8. 2008
    ..of this study were to determine Lipoprotein (a) [Lp(a)] concentrations in a sample of subjects from Maracaibo, Venezuela, and to determine the relationship of family risk factors for cardiovascular disease and their Lp(a) levels...
  83. ncbi [TP53 codon 72 polymorphism and gastric cancer risk: a case-control study in individuals from the central-western region of Venezuela]
    Miryan Cañas
    Laboratorio de Genética Molecular Dr Jorge Yunis Turbay, Decanato de Ciencias de la Salud, Universidad Centroccidental Lisandro Alvarado, Barquisimeto, Venezuela
    Invest Clin 50:153-61. 2009
    ..with the risk of developing gastric cancer in a high-risk population from the central-western region of Venezuela. DNA was extracted from paraffin-embedded gastric adenocarcinoma biopsies (n=65) and endoscopic biopsies from ..
  84. ncbi [Homocysteinemia and its relationship with the methylentetrahydrofolate reductase polymorphism in various ethnic groups from western Venezuela]
    Gilberto Vizcaíno
    Instituto de Investigaciones Clinicas, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
    Invest Clin 46:347-55. 2005
    ..of hyperhomocysteinemia and C677T MTHFR polymorphism was studied in various ethnic groups from Western Venezuela (60 Wayuu Indians, 42 italian immigrants and 77 Venezuelan mestizos) in relation with the prevalence of ..
  85. ncbi [Larvae-pupae parasitoids of Hylesia metabus Cramer (Lepidoptera: Saturniidae) in northeastern Venezuela: a case of natural biological control]
    José V Hernández
    Lab de Comportamiento, Biología de Organismos, Univ Simón Bolívar, Caracas, Venezuela
    Neotrop Entomol 38:243-50. 2009
    ..We reported natural parasitism levels for this moth during six life cycles in two localities in northeastern Venezuela. Pupae were collected in the field and maintained under laboratory conditions (27 masculineC, 65% RH, 12L:12D ..
  86. ncbi Lepidopterism due to exposure to the moth Hylesia metabus in northeastern Venezuela
    Alfonso J Rodriguez-Morales
    Direction of Environmental Sanitary Epidemiological Surveillance, General Direction of Environmental Health and Sanitary Control, Ministry of Health and Social Development, Maracay, Venezuela
    Am J Trop Med Hyg 73:991-3. 2005
    ..associated with exposure to the moth Hylesia metabus between 1970 and 2002 in the Cajigal district, Sucre, Venezuela. Fifty cases of lepidopterism mostly affecting individuals under 18 years of age were identified during this ..
  87. ncbi Glucocerebrosidase mutations are also found in subjects with early-onset parkinsonism from Venezuela
    Michael J Eblan
    Mov Disord 21:282-3. 2006
  88. ncbi Multiplex PCR reveals a high rate of nasopharyngeal pneumococcal 7-valent conjugate vaccine serotypes co-colonizing indigenous Warao children in Venezuela
    Ismar A Rivera-Olivero
    Laboratorio de Tuberculosis, Instituto de Biomedicina, Caracas, Venezuela
    J Med Microbiol 58:584-7. 2009
    ....
  89. ncbi HIV diversity in Venezuela: predominance of HIV type 1 subtype B and genomic characterization of non-B variants
    Hector R Rangel
    Laboratorio de Virologia Molecular, Centro de Microbiologia y Biologia Celular, Instituto Venezolano de Investigaciones Cientificas, Caracas, Venezuela
    AIDS Res Hum Retroviruses 25:347-50. 2009
    The aim of this study was the analysis of human immunodeficiency virus (HIV) diversity in Venezuela, and the characterization of variants other than subtype B. A total of 425 HIV isolates, collected between 2003 and 2008, were analyzed...
  90. ncbi Possible association between gastric cancer and bracken fern in Venezuela: an epidemiologic study
    M E Alonso-Amelot
    Grupo de Quimica Ecologica, Departamento de Quimica, Facultad de Ciencias, Universidad de Los Andes, Merida, Venezuela
    Int J Cancer 91:252-9. 2001
    ..factors that might explain the high rates of stomach cancer in people living in the highlands of western Venezuela, an epidemiologic study was conducted in 2 regions of contrasting topography...
  91. ncbi Low prevalence of hepatitis C virus infection in Amerindians from Western Venezuela
    Francisca Monsalve-Castillo
    Escuela de BioanálisisEstado Zulia, Venezuela
    Mem Inst Oswaldo Cruz 102:107-10. 2007
    Previous studies have not found hepatitis C virus (HCV) infection in Amerindians from Western Venezuela. A survey of 254 Bari and Yukpa natives aged 10-60 years (mean +/- SD age = 35 +/- 5...
  92. ncbi Activity of Lutzomyia pseudolongipalpis and L. longipalpis s.l. (Diptera: Psychodidae) in Venezuela
    M D Feliciangeli
    Universidad de Carabobo, Centro Nacional de Referencia de Flebotomos, BIOMED, Maracay, Venezuela
    Parasite 11:273-8. 2004
    ..longipalpis s.l. from different American visceral leishmaniasis foci in Venezuela was studied using collection bottle rotator traps. The activity of L...
  93. ncbi Medical genetics in Zulia, a State of Venezuela
    Sandra González-Ferrer
    Unit of Medical Genetics, Faculty of Medicine, Zulia University, Maracaibo, Venezuela
    Community Genet 7:153-6. 2004
    Zulia is a state located in the northwest of Venezuela. Congenital malformations, deformities and chromosomal anomalies are the second cause of infant and neonatal mortality...
  94. ncbi Comparative studies of populations of Lutzomyia umbratilis (Diptera: Psychodidae) in Brazil and Venezuela
    Alfredo C R Azevedo
    Departamento de Entomologia, Fundacao Oswaldo Cruz, Rio de Janeiro, Brasil
    J Med Entomol 39:587-600. 2002
    ..morphological characters in different populations of Lutzomyia (Nyssomyia) umbratilis Ward & Fraiha from Venezuela (Gran Sabana, Bolívar/BO) and Brazil (Serra do Navio, Amapá/AP Manaus, Amazonas/AM, Monte Dourado, Pará/ PA, ..
  95. ncbi Vector bionomics and malaria transmission in the Upper Orinoco River, Southern Venezuela
    Magda Magris
    Ministerio de Salud, Maracay, Venezuela
    Mem Inst Oswaldo Cruz 102:303-11. 2007
    ..The present study was the first longitudinal entomological and epidemiological study conducted in this area and set up the basic ground for subsequent intervention with insecticide-treated nets...
  96. ncbi Risk factors for Trypanosoma cruzi human infection in Barinas State, Venezuela
    M Dora Feliciangeli
    Facultad de Ciencias de la Salud, Centro Nacional de Referencia de Flebótomos y Otros Vectores, Universidad de Carabobo, Maracay, Venezuela
    Am J Trop Med Hyg 76:915-21. 2007
    ..to quantify the transmission of Trypanosoma cruzi in children less than 15 years of age in Barinas State, Venezuela and investigate risk factors for infection. Among 3,296 children, 4 (0.12%) were seropositive...
  97. ncbi Lutzomyia pseudolongipalpis: the first new species within the longipalpis (Diptera: Psychodidae: Phlebotominae) complex from La Rinconada, Curarigua, Lara State, Venezuela
    J C Arrivillaga
    Centro Nacional de Referencia de Flebotomos CNRFV, Sección Entomología Medica, BIOMED, Universidad de Carabobo, Facultad de Ciencias de la Salud, Nucleo Aragua, Maracay, Venezuela
    J Med Entomol 38:783-90. 2001
    ..the longipalpis complex, is described based on females and males from La Rinconada, Curarigua, Lara State, Venezuela. Similar to Lutzomyia longipalpis sensu lato, females of the new species show spermathecae with 8-10 annulations ..
  98. ncbi Seroepidemiology of toxoplasmosis in amerindians from western Venezuela
    L Chacin-Bonilla
    Instituto de Investigaciones Clinicas, Universidad del Zulia, Maracaibo, Venezuela
    Am J Trop Med Hyg 65:131-5. 2001
    ..6 +/- 15.8 years) in 3 mountain and 1 lowland communities from Venezuela were studied to determine the seroprevalence of Toxoplasma gondii, the environmental risk factors for the ..
  99. ncbi [Obesity in schoolchildren from Merida, Venezuela: association with cardiovascular risk factors]
    Mariela Paoli
    Unidad de Endocrinologia, Instituto Autónomo Hospital Universitario de Los Andes, and Departamento de Fisiopatología, Universidad de Los Andes, Merida, Venezuela
    Endocrinol Nutr 56:218-26. 2009
    ..To investigate the prevalence of obesity and associated cardiovascular risk factors in schoolchildren in our city, given the influence of these factors on the development of atherosclerosis...
  100. ncbi Onchocerciasis in the Amazonian focus of southern Venezuela: altitude and blackfly species composition as predictors of endemicity to select communities for ivermectin control programmes
    S Vivas-Martinez
    London School of Hygiene and Tropical Medicine LSHTM, UK
    Trans R Soc Trop Med Hyg 92:613-20. 1998
    ..However, below 200 m additional parasitological indicators may also be necessary. As a direct result of this study, regular mass-ivermectin delivery to meso- and hyperendemic communities is now in progress...
  101. ncbi Characterization of enzootic foci of Venezuelan equine encephalitis virus in western Venezuela
    R Barrera
    Instituto de Zoologia Tropical, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela
    Vector Borne Zoonotic Dis 1:219-30. 2001
    ..the sylvatic subtype ID Venezuelan equine encephalitis (VEE) viruses in the lowland tropical forests of western Venezuela was investigated using remote sensing and geographic information system technologies...

Research Grants36

  1. Gene-Environment Interaction in Cognition in Venezuelan Families
    JOSEPH DOUGLAS TERWILLIGER; Fiscal Year: 2013
    ..significant social, economic, and public health burdens in both developed and developing countries, including Venezuela. Yet many of the underlying causes for dementia remain to be identified and understood...
  2. GENETIC AND ECOLOGIC DIFFERENTIATION OF MALARIA VECTORS
    LEON LOUNIBOS; Fiscal Year: 1991
    ..in the Anopheles nuneztovari sister group which includes known or suspected vectors of human malaria in Venezuela, Peru, Ecuador, Colombia, Suriname, Brazil and Bolivia...
  3. Physipatogenesis of malaria anemia in humans & monkeys
    Socrates Herrera; Fiscal Year: 2005
    ..We will combine expertise of well-known scientists from Colombia, Brazil, Venezuela and the USA...
  4. MECHANISMS OF EMERGENCE OF Z00NOTIC VIRAL PATHOGENS
    Robert Tesh; Fiscal Year: 1999
    ..Field studies will be done at several enzootic foci of VEE - ID virus activity in Venezuela and Colombia. Reverse genetic approaches will be used in the laboratory to study VEE virulence determinants...
  5. IN VITRO CONSTRUCTION OF ATTENUATED VEE VIRUS MUTANTS
    Robert Johnston; Fiscal Year: 2000
    ..is a lymphotropic and neurotropic alphavirus, currently causing an explosive human epidemic in Colombia and Venezuela with over 45,000 cases to date...
  6. IMMUNOLOGY & VACCINES FOR LEPROSY & LEISHMANIASIS
    Barry Bloom; Fiscal Year: 1993
    ..Finally, a detailed epidemiologic study of Leishmaniasis in Venezuela will be carried out that will serve as the basis for a proposed vaccine trial comparing the efficacy of combined ..
  7. PATHOGENESIS OF SEVERE DENGUE INFECTIONS IN VENEZUELA
    Alan Rothman; Fiscal Year: 2004
    ..This project will draw on the experience of teams of investigators from the U.S. and Venezuela to analyze the physiologic events occurring during acute dengue infections that lead to the complications of ..
  8. Molecular Systematics of Culex (Melanoconian) spp.vecto*
    Scott Weaver; Fiscal Year: 2004
    ..Juan Carlos Navarro, a mosquito systematist from the Institute of Tropical Zoology Caracas, Venezuela. These studies will enhance many epidemiological studies of Neotropical arboviruses and will elucidate the ..
  9. MOLECULAR EPIDEMIOLOGY OF VENEZUELAN HEMORRHAGIC FEVER
    Rebeca Rico Hesse; Fiscal Year: 1993
    ..a cooperative agreement between the Yale Arbovirus Research Unit, USA, the National Institute of Hygiene, Venezuela, and the University of La Plata, Argentina. The P.I...
  10. PHOTOPERIODISM AND SEASONAL BREEDING IN THE TROPICS
    FRANKLIN BRONSON; Fiscal Year: 1991
    ..Three species of small mammals will be trapped in a seasonally harsh environment in Venezuela where there is one hour of annual variation in daylength: a mouse-sized marsupial that is a rigid seasonal ..
  11. Gene-Enviroment Interaction in Cognition
    T Gilliam; Fiscal Year: 2004
    We propose a collaborative effort between Columbia University (CU) and University of Zulia (LUZ), Maracaibo-Venezuela, to investigate the effects of life conditions and environmental exposures together with genetic factors upon the ..
  12. Genetics of Common Heritable Disorders in Venezuela
    THOMAS GILLIAM; Fiscal Year: 2006
    ..study genetics of common hereditable disorders relevant to Latin America and the Caribbean, and in particular to Venezuela. The strategy is to enhance the current research and training programs at the University of Zulia by: (1) ..
  13. Ethics of Genetics in Research Conferences
    RUTH FISCHBACH; Fiscal Year: 2005
    ..We will also video-conference to Zulia University, Maracaibo, Venezuela. As a further innovative aspect, conference presentations will be disseminated via the Internet, accessible, at ..
  14. Genetic Susceptibility to Infection Related Cancer
    Ikuko Kato; Fiscal Year: 2005
    ..The proposed study will be designed as a spin-off study of a chemo prevention trial for gastric cancer in Venezuela, taking advantage of unique characteristics of the study population, i.e...
  15. ECOLOGY OF EMERGING ARENAVIRUSES IN SOUTHWESTERN U.S.
    CHARLES FULHORST; Fiscal Year: 2004
    ..S.; and, 5) investigate further the human health significance of North American rodent-borne arena viruses. ..
  16. Viral determinants of hantavirus pulmonary disease in the hamster
    Charles F Fulhorst; Fiscal Year: 2010
    ..The plasmid-based genetic system could be used in future studies to develop vaccines to prevent infection or disease and to (in the face of clinical disease) mitigate the severity of HPS. ..
  17. Animal models of hantavirus cardiopulmonary disease
    CHARLES FULHORST; Fiscal Year: 2006
    ..A mouse model of severe or lethal HCPS could substantively augment studies on the pathogenesis of the capillary leak that results in the life-threatening pulmonary edema HCPS. ..
  18. Rapid, accurate diagnostics for arenaviral infections
    CHARLES FULHORST; Fiscal Year: 2003
    ..g., Amapari, Flexal) that were not used to develop or test the first generation assay. ..
  19. ECOLOGY AND GENETICS OF VENEZUELAN EQUINE ENCEPHALITIS
    Scott Weaver; Fiscal Year: 2005
    ..subtype LkB and IC epizootic viruses evolve from enzootic, subtype ID viruses that circulate continuously in Venezuela and Colombia...
  20. Withdrawal of statins and vascular dysfunction
    LUIGI CUBEDDU; Fiscal Year: 2004
    ..Our study may provide the basis for preventive and corrective interventions to millions of people that are under statin treatment. ..
  21. DBS Effects on Mood and Cognition in Parkinsons Disease
    Michael Okun; Fiscal Year: 2007
    ..This proposal includes active and experienced mentoring, access to diverse resources, and a scientific environment suited specifically for the development of the PI as an independent physician scientist. ..
  22. Brief Interventions for nicotine and cannabis use
    Thomas Babor; Fiscal Year: 2007
    ..unreadable] [unreadable]..
  23. Delphi Evaluation of Alcohol Advertising Codes
    Thomas Babor; Fiscal Year: 2009
    ..abstract_text> ..
  24. Ehrilchiacidal Mechanisms In Leukocytes
    Yasuko Rikihisa; Fiscal Year: 2009
    ..The results may point to a potential target for new treatment and prevention of HME and HGE. ..
  25. Drug Resistance Strategies: The Next Generation
    Flavio Marsiglia; Fiscal Year: 2001
    ..The research design includes mediational and process analyses. Results from this research will inform future replicability of the DRS approach and advance existing knowledge about culturally-grounded drug abuse prevention intervention. ..
  26. Comparison of Human Ehrlichiosis Agent Genomes
    Yasuko Rikihisa; Fiscal Year: 2010
    ..chaffeensis virulence determinants and their pathogenic mechanisms. The results may point to potential chemotherapy, chemopreventive and/or vaccine candidates for treatment and prevention of human ehrlichiosis. ..
  27. VEE PATHOGENESIS AND VACCINE DEVELOPMENT
    Slobodan Paessler; Fiscal Year: 2007
    ..By dissecting the nonstructural proteins of VEEV from the structural proteins, the role of replieative machinery (nonstructural proteins) in the pathogenesis will be elucidated. ..
  28. HUNTINGTON DISEASE IN VENEZUELA AND OTHER STUDIES
    Nancy Wexler; Fiscal Year: 2001
    ..8) To explore how psychiatric and cognitive symptomatology can also be regulated by the expanded repeat or some other genetic modifiers. 9) To characterize the kind-red for common disorders and genetic traits or markers. ..
  29. Evaluating Alcohol Brief Intervention Implementation
    Thomas Babor; Fiscal Year: 2006
    ..abstract_text> ..
  30. Computations of Fold Changes in Evolution of Proteins
    Nick Grishin; Fiscal Year: 2006
    ..Finally, we will perform in silico evolution of model proteins under functional constraints and compare the results to those deduced from the analysis of natural sequences and structures. ..
  31. Brief Intervention for Drug Abuse Using the WHO ASSIST
    Thomas Babor; Fiscal Year: 2006
    ....
  32. Southwest Interdisciplinary Research Consortium (SIRC)
    Flavio Marsiglia; Fiscal Year: 2006
    ..This public health initiative follows the health promotion and disease prevention objectives of Healthy People 2000 (priority areas: 3, 4, 6, and 8) and the "Initiative on Race and Health" of Healthy People 2010. ..
  33. Evaluating industry codes governing malt liquor ads
    Thomas Babor; Fiscal Year: 2003
    ....
  34. GENE EXPRESSION BY HUMAN GRANULOCYTIC EHRLICHIOSIS AG
    Yasuko Rikihisa; Fiscal Year: 2004
    ..These efforts are expected to reveal an important role for the p44-multigene family in strategies of adaptive surface variation and avoidance of host immune responses. ..
  35. ROLES OF EHRLICHIAL OUTER MEMBRANE PROTEIN IN PARASITISM
    Yasuko Rikihisa; Fiscal Year: 2001
    ..Aim 5 addresses hypothesis 3 by examining the effects of immunization with the ehrlichial OMP in a mouse model of human ehrlichiosis. ..