2008
DOI: 10.1590/s1415-790x2008000300013
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Aspectos epidemiológicos da Febre do Oeste do Nilo

Abstract: Desde sua introdução na América do Norte em 1999, mais de 27.500 casos humanos da infecção por West Nile virus (WNV) foram reportados nos Estados Unidos da América (EUA), resultando em mais de 1000 casos fatais. Recentemente, a disseminação do vírus para o hemisfério sul foi confirmada com a detecção de animais infectados pelo WNV em território sul-americano. A soropositividade para WNV em eqüídeos na Colômbia e Venezuela e o isolamento do vírus nestes animais na Argentina, reiteram a necessidade da manutenção… Show more

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Cited by 8 publications
(6 citation statements)
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“…However, viral isolation was rarely achieved, and records of human, equine and avian morbidity in Latin America are lacking. Moreover, for unclear reasons, there was no correspondence between the expansion of the geographic range of viral circulation and the occurrence of significant animal or human morbidity by WNF in these regions 7 . Given the evidence of WNV circulation in South American countries beginning in 2003, the Brazilian Ministry of Health adopted the reporting of suspected human cases of WNF 7 .…”
mentioning
confidence: 98%
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“…However, viral isolation was rarely achieved, and records of human, equine and avian morbidity in Latin America are lacking. Moreover, for unclear reasons, there was no correspondence between the expansion of the geographic range of viral circulation and the occurrence of significant animal or human morbidity by WNF in these regions 7 . Given the evidence of WNV circulation in South American countries beginning in 2003, the Brazilian Ministry of Health adopted the reporting of suspected human cases of WNF 7 .…”
mentioning
confidence: 98%
“…Moreover, for unclear reasons, there was no correspondence between the expansion of the geographic range of viral circulation and the occurrence of significant animal or human morbidity by WNF in these regions 7 . Given the evidence of WNV circulation in South American countries beginning in 2003, the Brazilian Ministry of Health adopted the reporting of suspected human cases of WNF 7 . In parallel with the implementation of surveillance strategies for monitoring the introduction of the virus into the country, Brazilian researchers posed the question: " West Nile Encephalitis: our next epidemic?"…”
mentioning
confidence: 98%
“…Wetland ecosystems like the Brazilian Pantanal, which have high movement of migratory birds (Nunes & Tomas 2004), diversity of arbovirus vectors (Pauvolid-Corrêa et al 2010) and arbovirus circulation (Iversson et al 1993), present favorable conditions for reservoirs, which can sustain arbovirus circulation in imperceptible enzootic cycles (Pauvolid-Corrêa & Varella 2008).…”
mentioning
confidence: 99%
“…Recentemente foi confirmada a existência do vírus também no Hemisfério Sul pela detecção de animais infectados com o VNO em território Sul-Americano. (PAUVOLID-CORRÊA;VARELLA, 2008).…”
Section: Introductionunclassified