(NEXSTAR) – The map of flu activity across the United States continues to darken, both figuratively and literally, as case ...

As of this week, the flu has killed 382 people in Massachusetts this season, according to the state's health department. As of February, all regions of the state were reporting very high rates of ...

Bird flu infections have been rare among people, but the pathogen is evolving, which has scientists worried about a possible ...

So far, the Department of Agriculture has confirmed a staggering 41 outbreaks this year that struck down entire egg-laying flocks in Arizona, California, Iowa, Indiana, Missouri, North Carolina, ...