The US is in the throes an unusually intense and severe flu season, with hospitalization rates topping the levels seen with ...

The flu just won’t quit this year. The virus seemed to peak after the December holidays in Massachusetts, headed back down, ...

Bird flu is caused by several types of influenza A viruses. It primarily affects wild and domestic birds, but can also infect ...

The United States is experiencing its most severe flu season in more than a decade, with the U.S. Centers for Disease Control ...