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BIBTEX RIS

Isolation of Yellow Fever Virus from Nulliparous Haemagogus ( Haemagogus ) janthinomys in Eastern Amazonia

2002; Mary Ann Liebert, Inc.; Volume: 2; Issue: 1 Linguagem: Inglês

10.1089/153036602760260779

1557-7759

Bernard Mondet, Pedro Fernando da Costa Vasconcelos, Amélia P. A. Travassos da Rosa, Elizabeth Salbé Travassos da Rosa, S.G. Rodrigues, Jorge Fernando Soares Travassos da Rosa, Dominique Bicout,

Vector-borne infectious diseases

In 1998, an epizootic of yellow fever (YF) killed many howler monkeys (Alouatta spp.) in eastern Amazonia near the city of Altamira. An infection level with YF virus of ~3.6% was determined from analysis of 456 females of Haemagogus janthinomys Dyar, the main enzootic YF vector in South America. One month later, a second study of 164 females captured in the same place led to infection levels of 0.8% for parous and 2.9% for nulliparous females. These results lead to the conclusion that vertical transmission, one of the key elements in the epidemiology of YF, occurs in South America as it does in Africa.