Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Flu symptoms tend to hit suddenly and are more intense than a common cold. Adults are advised to see medical help if they ...

Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can ...

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

This is shaping up to be yet another severe flu season, fueled by a new influenza variant. Here's how to use home flu tests ...

The data goes back to 2004 when flu became a reportable disease so the severity of the current flu season is in comparison to ...