The main strains of influenza virus circulating now are similar to those that caused the severe outbreaks last season.

The CDC forecasts that this virus season will result in a similar level of hospitalizations as last season, though flu may have a more moderate ...

As flu season nears, experts encourage people to get their annual flu vaccine. Here's the best time to get the flu shot, how long it lasts, side effects and more.

As fewer children get their flu shots, cases of a rare, severe complication are rising. Last season, the U.S. experienced the ...