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

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

Although this year’s flu vaccine doesn’t protect as well against the dominant subclade K strain, doctors still say that ...

The last available tracing data from the CDC found that 91% of the 600 U.S. flu cases that were tested between Dec. 22 and 28 ...

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.

While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.

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 ...

There have been at least 11 million cases of the flu so far this season. As cases climb, doctor visits for the flu have hit ...

Outbreaks of H5N1, or highly pathogenic avian influenza - commonly known as bird flu - have been confirmed at a commercial ...

The antiviral treatment Tamiflu is in short supply in parts of the US, as patients and pharmacists battle one of the worst flu seasons in decades.

Doctors say thousands of people are seeking care for flu symptoms each day as the virus spreads aggressively throughout the ...

There is no evidence that humans can spread human versions of the influenza virus to dogs, according to PetMD. Veterinarians ...