One Illinois county is sounding the alarm after reporting the discovery of the season's first West Nile-positive mosquitoes.

West Nile virus is a viral disease that is transmitted by mosquitoes. The virus is a member of the Flaviviruses, which also includes Zika, dengue and yellow fever viruses. The virus was first ...

James Martinez's family said his condition is improving in ICU – he is one of two human cases of West Nile virus confirmed in ...

By Matt Cavallo, Madeleine Wright Click here for updates on this story Philadelphia (KYW) — Philadelphia health officials are warning residents after West Nile virus was found in mosquitoes in ...

NEW YORK, New York (WABC) -- In the past two weeks, West Nile virus has been detected in mosquitoes in Staten Island, the Bronx, Queens, Brooklyn, according to the New York City Health Department. On ...

First West Nile virus-positive mosquito pool found in Philadelphia near Pennypack Park. Health officials anticipate more cases, but no human infections reported ...

West Nile virus has been detected in mosquitoes in New York City, but no human cases have been reported in the city so far in ...

A man in Colorado was hospitalized with a severe case of the West Nile virus after hosting an anniversary BBQ in their backyard. This comes as more cases are being reported in at least 16 states. NBC ...

An iconic area in New Orleans got a fresh new scent after a waste management operation delivered a lemon scent throughout the ...

A warning for anyone heading outdoors this weekend. Mosquitoes infected with West Nile virus have been detected in our area.

A Coloradan named James Martinez has been in the ICU for a week with West Nile virus after being bitten by a mosquito. His family is speaking out about what happened in hopes of warning others.

New Orleans ramps up mosquito control due to West Nile virus activity, planning nighttime spray missions in several ...