West Nile Virus

Primarily transmitted to humans via mosquito bites, most West Nile virus infections are asymptomatic or mild, but some cases can develop into severe illness.

Fullerton, California, residents received relief from mosquitos after the Orange County Mosquito and Vector Control District conducted sprays ...

LOS ANGELES—Health officials on Sept. 7 reported the county's first death this year attributed to the West Nile ...

Massachusetts' public health agency has reported this year's first human cases of the West Nile virus, a deadly ...

SANTA ANA, Calif.—Orange County Health Care Agency officials Aug. 28 reported the first human case of West Nile ...

Health officials announced Wednesday that three human cases of West Nile virus have been detected in New York ...

Toronto's public health agency is reporting the first probable human case of West Nile virus in the city ...

Mosquitos in Fullerton have tested positive for the West Nile Virus, local authorities reported July 27. According to ...

Health officials say that they are discovering mosquitoes with West Nile virus, a potentially fatal illness, across multiple ...

Authorities across the United States have issued notices about West Nile virus, a deadly disease that can be ...

LOS ANGELES—Los Angeles County health officials have confirmed the county's first human cases of West Nile virus this ...

LOS ANGELES—The first death from the West Nile virus (WNV) in the 2021 season has been reported in ...

MOSCOW—Russia warned on Monday of a possible increase in West Nile virus infections this autumn as mild temperatures ...

Health officials from Los Angeles County and Orange County identified several cases of human West Nile virus I (WNV) infection ...

SOUTH PASADENA—The first indication this year of West Nile virus circulating in Los Angeles County was detected in ...

Toronto Public Health (TPH) has confirmed the first human case of West Nile virus in the city for ...

The second case of West Nile virus was confirmed in Florida this week, days after the first case ...

A northwest Texan city warns it discovered a debilitating mosquito-borne virus affecting humans on July 29. The City ...

North Carolina got thoroughly pounded by Hurricane Florence. The wind wasn’t as bad as had been predicted, but ...

Mosquitoes are not only an annoying pest, they are actually the deadliest creature on earth. The diseases they ...

This year may be the worst-ever West Nile outbreak in U.S. history, but most cases came from just ...

For only the third time in a decade, the city’s Department of Health will shift its spraying of ...

Experts say 2012 could be the worst outbreak of West Nile virus the nation has ever seen. Texas ...

The first human case of West Nile Virus this season was confirmed on July 26 by the city's ...

The city’s Health Department announced that West Nile Virus was detected in some mosquitoes in the neighborhoods of ...

West Nile virus prevention sprays will be sprinkled in parts of Staten Island, Queens, and the Bronx by ...

Toronto Public Health said Tuesday that laboratory tests have revealed West Nile Virus in area mosquitoes.