Gerardo Chowell

Summary

Affiliation: Los Alamos National Laboratory
Country: USA

Publications

  1. ncbi request reprint Epidemiological and clinical characteristics of scorpionism in Colima, Mexico (2000-2001)
    G Chowell
    Mathematical Modeling and Analysis, Mail Stop B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Toxicon 47:753-8. 2006
  2. ncbi request reprint Estimation of the reproductive number of the Spanish flu epidemic in Geneva, Switzerland
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
    Vaccine 24:6747-50. 2006
  3. ncbi request reprint Transmission dynamics of the great influenza pandemic of 1918 in Geneva, Switzerland: Assessing the effects of hypothetical interventions
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    J Theor Biol 241:193-204. 2006
  4. pmc Comparative estimation of the reproduction number for pandemic influenza from daily case notification data
    Gerardo Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    J R Soc Interface 4:155-66. 2007
  5. ncbi request reprint Estimation of the reproduction number of dengue fever from spatial epidemic data
    G Chowell
    Center for Nonlinear Studies and Mathematical modeling and Analysis Group MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Math Biosci 208:571-89. 2007
  6. pmc Seasonal influenza in the United States, France, and Australia: transmission and prospects for control
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87544, USA
    Epidemiol Infect 136:852-64. 2008
  7. ncbi request reprint Estimating the reproduction number from the initial phase of the Spanish flu pandemic waves in Geneva, Switzerland
    Gerardo Chowell
    Center for Nonlinear Studies MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Math Biosci Eng 4:457-70. 2007
  8. ncbi request reprint Climate-based descriptive models of dengue fever: the 2002 epidemic in Colima, Mexico
    Gerardo Chowell
    Los Alamos National Laboratory, Mathematical Modeling and Analysis and Statistics Science, Los Alamos, NM 87545, USA
    J Environ Health 68:40-4, 55. 2006
  9. ncbi request reprint Modelling the transmission dynamics of acute haemorrhagic conjunctivitis: application to the 2003 outbreak in Mexico
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Stat Med 25:1840-57. 2006
  10. ncbi request reprint The role of spatial mixing in the spread of foot-and-mouth disease
    G Chowell
    Department of Biological Statistics and Computational Biology, Cornell University, 432 Warren Hall, Ithaca, NY 14853, USA
    Prev Vet Med 73:297-314. 2006

Detail Information

Publications20

  1. ncbi request reprint Epidemiological and clinical characteristics of scorpionism in Colima, Mexico (2000-2001)
    G Chowell
    Mathematical Modeling and Analysis, Mail Stop B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Toxicon 47:753-8. 2006
    ..In four cases, patients died. An educational campaign to inform the population about the importance of receiving prompt attention following a scorpion sting has potential value in reducing complications in the emergency room...
  2. ncbi request reprint Estimation of the reproductive number of the Spanish flu epidemic in Geneva, Switzerland
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
    Vaccine 24:6747-50. 2006
    ..Our estimates indicate that containment of the next influenza pandemic could require strict interventions that include effective isolation strategies in hospitals and reductions in the susceptibility of the general population...
  3. ncbi request reprint Transmission dynamics of the great influenza pandemic of 1918 in Geneva, Switzerland: Assessing the effects of hypothetical interventions
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    J Theor Biol 241:193-204. 2006
    ..We found that effective isolation measures in hospital clinics at best would only ensure control with probability 0.87 while reducing the transmission rate by >76.5% guarantees stopping an epidemic...
  4. pmc Comparative estimation of the reproduction number for pandemic influenza from daily case notification data
    Gerardo Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    J R Soc Interface 4:155-66. 2007
    ..We conclude that the reproduction number for pandemic influenza (Spanish flu) at the city level can be robustly assessed to lie in the range of 2.0-3.0, in broad agreement with previous estimates using distinct data...
  5. ncbi request reprint Estimation of the reproduction number of dengue fever from spatial epidemic data
    G Chowell
    Center for Nonlinear Studies and Mathematical modeling and Analysis Group MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Math Biosci 208:571-89. 2007
    ..Moreover, final local epidemic sizes are found to be linearly related to the local population size (P-value<0.001). This observation supports a roughly constant number of female mosquitoes per person across urban and rural regions...
  6. pmc Seasonal influenza in the United States, France, and Australia: transmission and prospects for control
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87544, USA
    Epidemiol Infect 136:852-64. 2008
    ..61, P60%) in healthy individuals who respond well to vaccine, in addition to periodic re-vaccination due to evolving viral antigens and waning population immunity...
  7. ncbi request reprint Estimating the reproduction number from the initial phase of the Spanish flu pandemic waves in Geneva, Switzerland
    Gerardo Chowell
    Center for Nonlinear Studies MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Math Biosci Eng 4:457-70. 2007
    ..We compare these estimates with others obtained using different observation windows to provide insight into how early into an epidemic the reproduction number can be estimated...
  8. ncbi request reprint Climate-based descriptive models of dengue fever: the 2002 epidemic in Colima, Mexico
    Gerardo Chowell
    Los Alamos National Laboratory, Mathematical Modeling and Analysis and Statistics Science, Los Alamos, NM 87545, USA
    J Environ Health 68:40-4, 55. 2006
    ..Two simpler linear models with variables significant at the 99 percent confidence level were correlated with 88 percent (Precipitation + Evaporation) and 79 percent (Precipitation + Maximum Temperature) of the observed variance...
  9. ncbi request reprint Modelling the transmission dynamics of acute haemorrhagic conjunctivitis: application to the 2003 outbreak in Mexico
    G Chowell
    Theoretical Division MS B284, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Stat Med 25:1840-57. 2006
    ....
  10. ncbi request reprint The role of spatial mixing in the spread of foot-and-mouth disease
    G Chowell
    Department of Biological Statistics and Computational Biology, Cornell University, 432 Warren Hall, Ithaca, NY 14853, USA
    Prev Vet Med 73:297-314. 2006
    ..Integration of geo-coded data into mathematical models is recommended...
  11. ncbi request reprint Predicting scorpion sting incidence in an endemic region using climatological variables
    G Chowell
    Mathematical Modeling and Analysis, Los Alamos National Laboratory Los Alamos, New Mexico 87545, USA
    Int J Environ Health Res 15:425-35. 2005
    ..We briefly discuss the application of predictive models of scorpion sting incidence in the appropriate allocation of antivenom serum in hospital clinics...
  12. ncbi request reprint Identification of case clusters and counties with high infective connectivity in the 2001 epidemic of foot-and-mouth disease in Uruguay
    Gerardo Chowell
    Mathematical Modeling and Analysis, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Am J Vet Res 67:102-13. 2006
    ..To evaluate the influence of individual spatial units (ie, counties) on the epidemic spread of foot-and-mouth disease (FMD) virus...
  13. ncbi request reprint The reproduction number R(t) in structured and nonstructured populations
    Tom Burr
    Statistical Sciences Group, Los Alamos National Laboratory, Los Alamos, NM 87545, United States
    Math Biosci Eng 6:239-59. 2009
    ..Therefore, even if the contact patterns are heterogeneous as in the structured populations evaluated here, the WT method provides reasonable estimates of R(t), as does the SIR method...
  14. ncbi request reprint The dynamics of pulmonary tuberculosis in Colima, Mexico (1999-2002)
    Gerardo Chowell
    Mathematical Modeling and Analysis, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Scand J Infect Dis 37:858-62. 2005
    ..Five (2.7%) patients failed treatment, 10 (5.4%) died, 39 (21.2%) interrupted treatment, and 4 (2.2%) transferred to another reporting unit. A 2002 strategic change in drug distribution seemed to prove successful...
  15. pmc Model parameters and outbreak control for SARS
    Gerardo Chowell
    Los Alamos National Laboratory, New Mexico, USA
    Emerg Infect Dis 10:1258-63. 2004
    ..19-1.08, with a median of 0.49. Even though the median of R0 is <1, we found that 25% of our R0 distribution lies at R0 > 1, even with perfect isolation. This implies the need to simultaneously apply more than one method of control...
  16. ncbi request reprint The basic reproductive number of Ebola and the effects of public health measures: the cases of Congo and Uganda
    G Chowell
    Center for Nonlinear Studies MS B258, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    J Theor Biol 229:119-26. 2004
    ....
  17. ncbi request reprint Scaling laws for the movement of people between locations in a large city
    G Chowell
    Center for Nonlinear Studies MS B258, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 68:066102. 2003
    ..We discuss how these network features can be used to characterize social networks and their relationship to dynamic processes...
  18. ncbi request reprint SARS outbreaks in Ontario, Hong Kong and Singapore: the role of diagnosis and isolation as a control mechanism
    G Chowell
    Center for Nonlinear Studies, MS B258, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    J Theor Biol 224:1-8. 2003
    ....
  19. pmc The 1918-1919 influenza pandemic in England and Wales: spatial patterns in transmissibility and mortality impact
    Gerardo Chowell
    School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA
    Proc Biol Sci 275:501-9. 2008
    ..Further studies of the geographical mortality patterns associated with the 1918-1919 influenza pandemic may be useful for pandemic planning...
  20. ncbi request reprint Rurality and pandemic influenza: geographic heterogeneity in the risks of infection and death in Kanagawa, Japan (1918-1919)
    Hiroshi Nishiura
    Theoretical Epidemiology, University of Utrecht, Yalelaan 7, 3584 CL, Utrecht, The Netherlands
    N Z Med J 121:18-27. 2008
    ..To characterise the impact of rurality on the spread of pandemic influenza by exploring both the numbers of cases and deaths in Kanagawa Prefecture, Japan, from October 1918 to April 1919 inclusive...