Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...

A more severe and highly contagious new strain of the flu is circulating this season. It's called subclade K, or more ...

After reporting was delayed due to the holidays, new CDC data shows the flu is spreading, with 33,000 people hospitalized ...

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

As flu cases rise across the U.S., those who end up contracting the virus have treatments available that may help reduce ...

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

As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and ...

This flu season medics have been struck by the uptick of cases involving the type B flu virus, which has been predominating the season for the first time in 27 years. Influenza can be split into four ...

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 ...

Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with ...

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in Michigan.

Cases of flu are on the rise across the country, and in Arizona. The most recent data shows a 35% increase in cases from the ...