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.

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 late-emerging influenza A mutation known as subclade K weakened protection, but doctors say vaccination still reduces ...

To fully understand the burden of influenza, multiple factors must be considered, including prevention efforts, the ...

But the most important difference between the two is that type A viruses can cause pandemics because of how often and quickly ...

Flu cases are rising across the U.S. Here's what you need to know about symptoms, flu duration and the new strain ...

Researchers have shed new light on how viral evolution, population immunity, and the co-circulation of other flu viruses shape seasonal flu epidemics. The research, published today as a Reviewed ...

Forbes contributors publish independent expert analyses and insights. Matt Binnicker is the CSO for Mayo Collaborative Services. The U.S. Centers for Disease Control and Prevention notified the public ...

Activity during the current flu season is growing to severe levels, with the percentage of doctors’ visits for flu-like ...

Flu activity could continue to increase in the U.S. over the next few weeks, according to a top flu epidemiologist at the CDC ...

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