U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for Disease Control and Prevention announced on Friday.

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

Scientists, researchers and private health organizations scrambled to preserve as much federal public health data and ...

Bird flu has hit the zoo. Over a dozen ducks and wild birds at the Queens and Bronx zoos have died, likely all due to the ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu ...

His actions have shown a hostility toward science, openness, collaboration and, well, common sense. Consider: ...