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

"Beyond typical flu symptoms like fever, cough and body aches, warning signs include trouble breathing, chest pain, confusion ...

A new strain of influenza is putting most of Idaho at high risk for getting sick this winter. Doctor visits for the virus reached a 15-year peak last month in the state. Dr. Christine Hahn, Idaho’s ...

A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine effectiveness this season. Here are the states at most risk.

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.

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

It’s getting called a “super flu” and the latest federal data shows Florida and 29 other states are now in the top tier of ...

The likelihood of getting the flu in Massachusetts right now is "very high," according to the Department of Public Health.

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 ...