Willy Urassa

Summary

Affiliation: Muhimbili University College of Health Sciences
Country: Tanzania

Publications

  1. ncbi request reprint Rate of decline of absolute number and percentage of CD4 T lymphocytes among HIV-1-infected adults in Dar es Salaam, Tanzania
    Willy Urassa
    Department of Microbiology, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    AIDS 18:433-8. 2004
  2. ncbi request reprint Evidence of a substantial decline in prevalence of HIV-1 infection among pregnant women: data from 1995 to 2003 in Dar es Salaam, Tanzania
    Willy Urassa
    Department of Microbiology and Immunology, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    Scand J Public Health 34:272-8. 2006
  3. pmc Surveillance of antimicrobial resistance at a tertiary hospital in Tanzania
    Bjørn Blomberg
    Centre for International Health, University of Bergen, N 5021 Bergen, Norway
    BMC Public Health 4:45. 2004
  4. pmc Extended spectrum beta-lactamases among Gram-negative bacteria of nosocomial origin from an intensive care unit of a tertiary health facility in Tanzania
    Faustine Ndugulile
    Institute of Internal Medicine, University of Bergen, N 5021, Bergen, Norway
    BMC Infect Dis 5:86. 2005
  5. pmc Patterns of sexually transmitted infections in adolescents and youth in Dar es Salaam, Tanzania
    Guerino Chalamilla
    Ilala Municipal Council, Dar es Slaam, Tanzania
    BMC Infect Dis 6:22. 2006
  6. pmc Antimicrobial resistance predicts death in Tanzanian children with bloodstream infections: a prospective cohort study
    Bjørn Blomberg
    Department of Medicine, Haukeland University Hospital, Bergen, Norway
    BMC Infect Dis 7:43. 2007
  7. ncbi request reprint Slow progression of HIV-1 infection in a cohort of antiretroviral naïve hotel workers in Dar es Salaam, Tanzania as defined by their CD4 cell slopes
    Muhammad Bakari
    Department of Internal Medicine, Muhimbili University College of Health Sciences MUCHS, P O Box 65001, Dar es Salaam, Tanzania
    Scand J Infect Dis 40:407-13. 2008
  8. ncbi request reprint Determinants of condom use among antenatal clinic attendees in Dar es Salaam, Tanzania
    Gernard Msamanga
    Department of Community Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
    East Afr J Public Health 6:175-83. 2009
  9. ncbi request reprint The natural course of disease following HIV-1 infection in dar es salaam, Tanzania: a study among hotel workers relating clinical events to CD4 T-lymphocyte counts
    Muhammad Bakari
    Department of Internal Medicine and Microbiology Immunology Muhimbili University College of Health Sciences MUCHS, Dar es Salaam, Tanzania
    Scand J Infect Dis 36:466-73. 2004
  10. ncbi request reprint Trends in obesity, underweight, and wasting among women attending prenatal clinics in urban Tanzania, 1995-2004
    Eduardo Villamor
    Department of Nutrition, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    Am J Clin Nutr 83:1387-94. 2006

Collaborators

Detail Information

Publications24

  1. ncbi request reprint Rate of decline of absolute number and percentage of CD4 T lymphocytes among HIV-1-infected adults in Dar es Salaam, Tanzania
    Willy Urassa
    Department of Microbiology, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    AIDS 18:433-8. 2004
    ..To determine the rate of decline of CD4 T lymphocytes among HIV-1-infected individuals...
  2. ncbi request reprint Evidence of a substantial decline in prevalence of HIV-1 infection among pregnant women: data from 1995 to 2003 in Dar es Salaam, Tanzania
    Willy Urassa
    Department of Microbiology and Immunology, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    Scand J Public Health 34:272-8. 2006
    ..To determine the prevalence trends of HIV-1 infection among pregnant women seen between 1995 and 2003 at public antenatal clinics (ANC) in the city of Dar es Salaam...
  3. pmc Surveillance of antimicrobial resistance at a tertiary hospital in Tanzania
    Bjørn Blomberg
    Centre for International Health, University of Bergen, N 5021 Bergen, Norway
    BMC Public Health 4:45. 2004
    ..The objective of this study was to implement and evaluate a computerized system for surveillance of antimicrobial resistance at a tertiary hospital in Tanzania...
  4. pmc Extended spectrum beta-lactamases among Gram-negative bacteria of nosocomial origin from an intensive care unit of a tertiary health facility in Tanzania
    Faustine Ndugulile
    Institute of Internal Medicine, University of Bergen, N 5021, Bergen, Norway
    BMC Infect Dis 5:86. 2005
    ..The aim of this study was to determine the existence and to describe phenotypic and genotypic characteristics of ESBLs in an Intensive Care Unit (ICU) setting in Tanzania...
  5. pmc Patterns of sexually transmitted infections in adolescents and youth in Dar es Salaam, Tanzania
    Guerino Chalamilla
    Ilala Municipal Council, Dar es Slaam, Tanzania
    BMC Infect Dis 6:22. 2006
    ....
  6. pmc Antimicrobial resistance predicts death in Tanzanian children with bloodstream infections: a prospective cohort study
    Bjørn Blomberg
    Department of Medicine, Haukeland University Hospital, Bergen, Norway
    BMC Infect Dis 7:43. 2007
    ..Bloodstream infection is a common cause of hospitalization, morbidity and death in children. The impact of antimicrobial resistance and HIV infection on outcome is not firmly established...
  7. ncbi request reprint Slow progression of HIV-1 infection in a cohort of antiretroviral naïve hotel workers in Dar es Salaam, Tanzania as defined by their CD4 cell slopes
    Muhammad Bakari
    Department of Internal Medicine, Muhimbili University College of Health Sciences MUCHS, P O Box 65001, Dar es Salaam, Tanzania
    Scand J Infect Dis 40:407-13. 2008
    ..An analysis of the selection bias introduced during slope determination is presented. With no selection, 24 (23.3%) would have documented slow CD4 progression among those enrolled for 5 or more y regardless of CD4 determinations...
  8. ncbi request reprint Determinants of condom use among antenatal clinic attendees in Dar es Salaam, Tanzania
    Gernard Msamanga
    Department of Community Health, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
    East Afr J Public Health 6:175-83. 2009
    ..To determine the demographic, socio-economic and psycho-social factors associated with condom use amongst antenatal clinic attendees in Dar es Salaam...
  9. ncbi request reprint The natural course of disease following HIV-1 infection in dar es salaam, Tanzania: a study among hotel workers relating clinical events to CD4 T-lymphocyte counts
    Muhammad Bakari
    Department of Internal Medicine and Microbiology Immunology Muhimbili University College of Health Sciences MUCHS, Dar es Salaam, Tanzania
    Scand J Infect Dis 36:466-73. 2004
    ..In Tanzania HIV natural history is similar to that from the developed world and similar management guidelines could be employed...
  10. ncbi request reprint Trends in obesity, underweight, and wasting among women attending prenatal clinics in urban Tanzania, 1995-2004
    Eduardo Villamor
    Department of Nutrition, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    Am J Clin Nutr 83:1387-94. 2006
    ..Scarce data are available from population studies on the recent trends and current epidemiology of obesity in African settings...
  11. ncbi request reprint Trial of zinc supplements in relation to pregnancy outcomes, hematologic indicators, and T cell counts among HIV-1-infected women in Tanzania
    Wafaie W Fawzi
    Department of Nutrition, Muhimbili University, College of Health Sciences, Dar es Salaam, Tanzania
    Am J Clin Nutr 81:161-7. 2005
    ..In observational studies, the zinc status of HIV-infected persons has been associated with both positive and adverse clinical outcomes. Such endpoints may affect the risk of adverse birth outcomes among HIV-infected women...
  12. ncbi request reprint HIV-1 infection prevalence and incidence trends in areas of contrasting levels of infection in the Kagera region, Tanzania, 1987-2000
    Gideon Kwesigabo
    Department of Epidemiology and Biostatistics, Muhimbili University College of Health Sciences, Dar es Salaam, Tanzania
    J Acquir Immune Defic Syndr 40:585-91. 2005
    ..The decline in the 3 areas of differing magnitude implies that the HIV/AIDS epidemic may be arrested early without necessarily peaking to saturation levels...
  13. ncbi request reprint Evaluation of HIV antibody and antigen/antibody combination ELISAs for use in an alternative confirmatory HIV testing strategy in Dar es Salaam, Tanzania
    Said Aboud
    Department of Microbiology and Immunology, Muhimbili University College of Health Sciences, P O Box 65001, Dar es Salaam, Tanzania
    J Virol Methods 135:192-6. 2006
    ..7-100%)...
  14. pmc Factors associated with mortality in HIV-infected and uninfected patients with pulmonary tuberculosis
    Ferdinand M Mugusi
    Department of Internal Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
    BMC Public Health 9:409. 2009
    ..This study investigates factors associated with mortality including patients' HIV sero-status, CD4 cell count, laboratory, nutritional and demographic characteristics in AFB smear positive pulmonary TB patients...
  15. pmc Primary antimicrobial resistance among Mycobacterium tuberculosis isolates from HIV seropositive and HIV seronegative patients in Dar es Salaam Tanzania
    Willy Urassa
    Departments of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
    BMC Res Notes 1:58. 2008
    ..tuberculosis including MDR vary greatly. The varied drug-resistance patterns make continuous surveillance of drug resistance an essential component of tuberculosis control program...
  16. ncbi request reprint Serum HHV8 DNA and Tat antibodies in Kaposi's sarcoma patients with and without HIV-1 infection
    Charles Massambu
    Departments of Histopathology Morbid Anatomy, Muhimbili University College of Health Sciences, P O BOX 65002, Dar es Salaam, Tanzania
    Anticancer Res 23:2389-95. 2003
    ..Epitope analysis of the anti-tat antibody spectrum showed reactivity to various non-functional sites, but not towards the functional epitopes 46-60 (TAR-binding region)...
  17. ncbi request reprint Evaluation of an alternative confirmatory strategy for the diagnosis of HIV infection in Dar Es Salaam, Tanzania, based on simple rapid assays
    Willy Urassa
    Department of Microbiology and Immunology, Muhimbili University College of Health Sciences, P O Box 65001, Dar es Salaam, Tanzania
    J Virol Methods 100:115-20. 2002
    ..3%. A testing strategy with 100% specificity (95% CI; 99.6-100%) could be achieved by the sequential use of all three simple/rapid assays or by repeat testing by Capillus followed by Serocard...
  18. pmc C-reactive protein independently predicts HIV-related outcomes among women and children in a resource-poor setting
    Paul K Drain
    School of Medicine, University of Washington, Seattle, Washington, USA
    AIDS 21:2067-75. 2007
    ..To evaluate C-reactive protein (CRP) as a predictor of HIV-related outcomes among women and children in a resource-poor setting...
  19. pmc A trial of the effect of micronutrient supplementation on treatment outcome, T cell counts, morbidity, and mortality in adults with pulmonary tuberculosis
    Eduardo Villamor
    Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
    J Infect Dis 197:1499-505. 2008
    ..Tuberculosis (TB) often coincides with nutritional deficiencies. The effects of micronutrient supplementation on TB treatment outcomes, clinical complications, and mortality are uncertain...
  20. ncbi request reprint Acceptance of HIV testing among pregnant women in Dar-es-Salaam, Tanzania
    Emily F Westheimer
    Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
    J Acquir Immune Defic Syndr 37:1197-205. 2004
    ..This study assesses correlates of acceptance of testing for HIV infection in the antenatal setting in Dar-es-Salaam, Tanzania...
  21. ncbi request reprint Vitamins and perinatal outcomes among HIV-negative women in Tanzania
    Wafaie W Fawzi
    Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
    N Engl J Med 356:1423-31. 2007
    ..Prematurity and low birth weight are associated with high perinatal and infant mortality, especially in developing countries. Maternal micronutrient deficiencies may contribute to these adverse outcomes...
  22. ncbi request reprint Cross-talk between human herpesvirus 8 and the transactivator protein in the pathogenesis of Kaposi's sarcoma in HIV-infected patients
    Angelika Chandra
    Institute of Medical Virology, Institute of Transfusion Medicine, Frankfurt University Medical School, 60590 Frankfurt, Germany
    Anticancer Res 23:723-8. 2003
    ..In view of these observations and the published data, we suggest that cross-signalling pathways between the tat protein and HHV8-DNA are involved in the complexity of pathogenesis of Kaposi's sarcoma...
  23. ncbi request reprint Detection of human herpesvirus 8 DNA in serum from blood donors with HHV-8 antibodies indicates possible bloodborne virus transmission
    Malin Enbom
    Department of Virology, Swedish Institute for Infectious Disease Control and Microbiology and Tumor Biology Center, Karolinska Institute, Sweden
    J Med Virol 68:264-7. 2002
    ..This supports the usefulness of anti-lytic antibodies in HHV-8 serology and suggests that transmission of HHV-8 by blood contact could be of importance in this region...
  24. ncbi request reprint Adverse perinatal outcomes of HIV-1-infected women in relation to malaria parasitemia in maternal and umbilical cord blood
    Eduardo Villamor
    Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts 02115, USA
    Am J Trop Med Hyg 73:694-7. 2005
    ..Cord blood parasitemia is a strong predictor of neonatal death. The potential effect of zinc supplementation on clinical malaria outcomes deserves future investigation...