How is West Nile Virus primarily transmitted?

West Nile Virus is primarily transmitted through the bite of an infected mosquito. This virus is primarily spread by mosquitoes that have fed on infected birds, which serve as the primary host. When an infected mosquito bites a human, the virus can enter the bloodstream, potentially leading to various symptoms and complications.

The mosquito lifecycle is crucial in the transmission dynamics of West Nile Virus, as it relies on these insects to spread the virus from birds to humans and other animals. Other forms of transmission, such as contaminated water, direct contact with infected animals, or inhalation of respiratory droplets, are not significant pathways for West Nile Virus transmission, making the mosquito bite the primary concern in understanding how the virus spreads.