
West Nile virus is the most common mosquito-borne illness in the continental U.S., with an average of 2,464 reported cases per year.
Every August, West Nile season ramps up, primarily in parts of the Southern and Western United States.

West Nile virus is the most common mosquito-borne illness in the continental U.S., with an average of 2,464 reported cases per year.
Every August, West Nile season ramps up, primarily in parts of the Southern and Western United States.