Epidemiology of urban canine rabies, Santa Cruz, Bolivia, 1972-1997

Marc-Alain Widdowson, Gustavo J Morales, Sandra Chaves, James McGrane

Research output: Contribution to journalA1: Web of Science-articlepeer-review


We analyzed laboratory data from 1972 to 1997 from Santa Cruz, Bolivia, to determine risk factors for laboratory canine samples' testing positive for Rabies virus (RABV). Of 9,803 samples, 50.7% tested positive for RABV; the number of cases and the percentage positive has dropped significantly since 1978. A 5- to 6-year cycle in rabies incidence was clearly apparent, though no seasonality was noted. Male dogs had significantly increased odds of testing positive for RABV (odds ratio [OR]=1.14), as did 1- to 2-year-old dogs (OR=1.73); younger and older dogs were at lower risk. Samples submitted from the poorer suburbs of the city were more likely to test positive for RABV (OR=1.71). Knowledge of the distribution of endemic canine rabies in an urban area will help focus control measures in a resource-poor environment.

Original languageEnglish
JournalEmerging Infectious Diseases
Issue number5
Pages (from-to)458-461
Number of pages4
Publication statusPublished - 2002


  • Aging
  • Animals
  • Bolivia/epidemiology
  • Brain/virology
  • Cities/epidemiology
  • Dog Diseases/diagnosis
  • Dogs
  • Female
  • Male
  • Odds Ratio
  • Periodicity
  • Rabies/diagnosis
  • Rabies virus/isolation & purification
  • Risk Factors
  • Time Factors


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