Guaroa virus infection among humans in Bolivia and Peru

Patricia V. Aguilar, Amy C. Morrison, Claudio Rocha, Douglas M. Watts, Luis Beingolea, Victor Suarez, Jorge Vargas, Cristhopher Cruz, Carolina Guevara, Joel M. Montgomery, Robert B. Tesh, Tadeusz J. Kochel

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Guaroa virus (GROV) was first isolated from humans in Colombia in 1959. Subsequent isolates of the virus have been recovered from febrile patients and mosquitoes in Brazil, Colombia, and Panama; however, association of the virus with human disease has been unclear. As part of a study on the etiology of febrile illnesses in Peru and Bolivia, 14 GROV strains were isolated from patients with febrile illnesses, and 3 additional cases were confirmed by IgM seroconversion. The prevalence rate of GROV antibodies among Iquitos residents was 13%; the highest rates were among persons with occupations such as woodcutters, fisherman, and oil-field workers. Genetic characterization of representative GROV isolates indicated that strains from Peru and Bolivia form a monophyletic group that can be distinguished from strains isolated earlier in Brazil and Colombia. This study confirms GROV as a cause of febrile illness in tropical regions of Central and South America.

Original languageEnglish (US)
Pages (from-to)714-721
Number of pages8
JournalAmerican Journal of Tropical Medicine and Hygiene
Issue number3
StatePublished - Sep 2010
Externally publishedYes

ASJC Scopus subject areas

  • Infectious Diseases
  • Virology
  • Parasitology


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