EPIDEMIOLOGY OF BORACEIA VIRUS IN A FORESTED AREA IN SÃO PAULO, BRAZIL

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Abstract
Lopes, O. S., L. A. Sacchetta (Seçāo de Virus Transmitidos por Artropodos, Instituto Adolfo Lutz, Caixa Postal 7027, São Paulo, Brazil). Epidemiology of Boraceia virus in a forested area in São Paulo, Brazil. Am J Epidemiol 100: 410–413, 1974.—Boraceia virus, a member of the Anopheles B group of arboviruses, was the cause of infection among residents of Casa Grande, a small village in a forested area near the city of São Paulo, Brazil. Neutralizing antibody was detected in 24% of the population sampled and 9% acquired antibody during a one-year period. The virus also infected domestic and wild vertebrates and was isolated from Anopheles cruzii and Phoniomyia pilicauda mosquitoes. It was also observed that the age-specific frequency of antibody was similar to that described for urban yellow fever and differed from that seen in sylvan arbovirus infections.

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