Epidemiologic study of bluetongue viruses in Central America and the Caribbean: 1986-1988

Homan, E.J.; Mo, C.L.; Thompson, L.H.; Barreto, C.H.; Oviedo, M.T.; Gibbs, E.P.J.; Greiner, E.C.

Epidemiologic study of bluetongue viruses in Central America and the Caribbean: 1986-1988

1990

Results of a prospective serologic and virologic study of ruminant livestock in Central America and the Caribbean islands revealed bluetongue virus (BTV) to be enzootic in the 9 countries participating in the study. Bluetongue virus serotypes 1, 3, 6, and 12 were isolated from sentinel animals. To the authors' knowledge, these are the first isolations of BTV from the region studied and the first isolations of these serotypes in the Western Hemisphere. Clinical disease attributable to BTV infection was not observed in sentinel animals. The incidence pattern, with respect to age and geographic location, was determined. The need to evaluate the epizootiologic features of arthropod-borne viruses (arboviruses) on a regional ecologic basis is stressed.

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