A monthslong NBC News data investigation finds that much of the U.S. doesn't have the protection needed to stop the spread of ...

About one in five people who are infected develop a fever with other symptoms such as headache, body aches, joint pains, vomiting, diarrhea, or rash. Most people with febrile illness due to West Nile ...

A flock of toms in Redwood County is the state’s first commercial poultry operation to be hit by the virus since January.

According to Ideastream Public Media, local health departments reported that two residents, one in Medina County and another ...