Officials Issue Alerts About Potentially Deadly Mosquito-Borne Virus Across US
A micrograph of the West Nile Virus in a 2014 photo. (Cynthia Goldsmith, P.E. Rollin, US Centers for Disease Control and Prevention)
A micrograph of the West Nile Virus in a 2014 photo. (Cynthia Goldsmith, P.E. Rollin, US Centers for Disease Control and Prevention)
A micrograph of the West Nile virus in a 2014 photo. (Cynthia Goldsmith, P.E. Rollin, Centers for Disease Control and Prevention)
West Nile virus has hit hard in Texas, where officials have ordered nightly aerial spraying to combat the mosquito-borne illness. (Justin Sullivan/Getty Images)