Abstract
We isolated and characterized a Banna virus from mosquitoes in Vietnam; 5 strains were isolated from field-caught mosquitoes at various locations; Banna virus was previously isolated from encephalitis patients in Yunnan, China, in 1987. Together, these findings suggest widespread distribution of this virus throughout Southeast Asia.
Highlights
We isolated and characterized a Banna virus from mosquitoes in Vietnam; 5 strains were isolated from field-caught mosquitoes at various locations; Banna virus was previously isolated from encephalitis patients in Yunnan, China, in
We report isolation of Banna virus (BAV) in Vietnam
Our data indicate that 2 BAV populations exist in the country and that both evolved independently
Summary
We isolated and characterized a Banna virus from mosquitoes in Vietnam; 5 strains were isolated from field-caught mosquitoes at various locations; Banna virus was previously isolated from encephalitis patients in Yunnan, China, in. No mammalian cell line has been reported to propagate BAV, and experimental infection with BAV has not resulted in clinical encephalitis in mice (7). Another species of Seadornavirus, the Liao Ning virus, has been propagated in various mammalian cell lines. This virus has caused hemorrhaging in mice, it has not been associated with the development of encephalitis (7). These findings suggest that this virus is widely distributed throughout Southeast Asia
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