Two additional cases of West Nile virus have been confirmed in humans in Massachusetts, as public health officials raise the risk level in 9 more cities and town. So far this summer, there have been ...

Experts are warning of a potential outbreak of West Nile virus in the U.S. after an unusually early start to the virus's season this summer, and a Newsweek map highlights the threat. At least 80 human ...

New cases of West Nile virus and Eastern equine encephalitis have been detected in Massachusetts, officials said Thursday. The Massachusetts Department of Public Health said in a release Thursday that ...

The world's deadliest animal is simple to kill, but that doesn't mean it's easy to get rid of them. Mosquitoes across New York City have been found with West Nile virus, and city officials have begun ...