Tag: Transmission Cycle

West Nile Spillover Human Dead-End Host Cycle

West Nile virus (WNV) represents one of the most significant arboviral threats in the modern world, particularly due to its complex transmission dynamics involving wildlife, vectors, and incidental human involvement. First isolated in 1937 in Uganda’s West Nile district, the virus has since spread across continents, causing sporadic outbreaks and establishing endemic cycles in regions […]