Transactions of the Royal Society of Tropical Medicine and Hygiene · 2003
Isolations of yellow fever virus from Haemagogus leucocelaenus in Rio Grande do Sul State, Brazil.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Vasconcelos Pedro F, Sperb Alethéa F, Monteiro Hamilton A, Torres Maria A, Sousa Maria R, Vasconcelos Helena B, Mardini Lúcia B, Rodrigues Sueli G
Аннотация
Following howling monkey (Alouatta caraya) deaths and yellow fever (YF) antigen detection by immunohistochemistry in the liver sample of a dead monkey in April and May 2001 in the municipalities of Garruchos and Santo Antônio das Missões, Rio Grande do Sul State, Brazil, epidemiological field investigations were initiated. Two strains of YF virus were isolated in suckling mice from 23 Haemagogus (Conopostegus) leucocelaenus Dyar & Shannon mosquitoes collected from the study sites. The YF virus was isolated from this species in the 1930s in Brazil and in the 1940s in Colombia. No human cases were reported during the current epizootic outbreak. The YF virus isolation and the absence of Hg. (Haemagogus) janthinomys Dyar from the area suggest that Hg. leucocelaenus may be a secondary YF vector and play an important role in the epidemiology of this disease in the Southern Cone.