Eliseu Miranda de Assis

West Nile Fever in Brazil in 2026: Emergence of Human Cases and Implications for Integrated Surveillance

West Nile fever (WNF) is a zoonotic arboviral disease caused by West Nile virus (WNV), maintained primarily in an enzootic cycle involving birds and mosquitoes, particularly species of the genus Culex. Although evidence of viral circulation has previously been documented in Brazil, human disease remains infrequently re...