Caracterização de amostras do vírus da raiva, isoladas nas regiões Norte e Centro-Oeste do Brasil, com anticorpos monoclonais antilissavírus
2008
Batista, H.B.C.R.(UFRGS ,CAPES) | Schmidt, E.(Centro de Pesquisas Veterinárias Desidério Finamor) | Caldas, E.(Secretaria Estadual da Saúde) | Massunaga, P.(Secretaria de Saúde do Distrito Federal) | Teixeira, T.F.(Universidade Federal do Rio Grande do Sul) | Schaefer, R.(Embrapa Suínos e Aves) | Roehe, P.M.(Centro de Pesquisas Veterinárias Desidério Finamor ,Universidade Federal do Rio Grande do Sul ,CNPq)
The occurrence of rabies virus antigenic variants in North and Central West regions of Brazil was studied using 61 rabies viruses isolated from different species: 30 from domestic dogs, 20 from cattle, four from horses, two from cats, one from a human and four from unidentified species. The isolates were submitted to antigenic analyses by indirect immunofluorescence with a panel of 12 monoclonal antibodies (Mabs) to lyssavirus antigens. Antigenic analyses revealed consistent differences between isolates whose natural hosts were dogs and those of haematophagous bats, often isolated from cattle. Three out of four isolates from horses and one from a domestic dog showed patterns of reactivity found only in viruses of insectivorous bats, indicating that non-haematophagous bats do play a unique role in the transmission of the virus to other species.
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