The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

I think all of us know somebody who’s gotten the flu recently,” says Dr. Luis Ostrosky, chief of infectious disease at ...

"Society as a whole is less immune, we have slightly lower vaccination rates, and so our defenses are slightly down." Is it too late to get a flu shot? It's not too late to get a flu shot — in ...

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...

Outbreaks and high levels of illnesses (like the flu) have become more common as vaccination rates have fallen, especially ...

It’s not unusual historically to see high numbers of respiratory viruses floating around during this time frame,” a UNC ...

Is it common for the flu to zap us twice in the winter months? Massachusetts, and the U.S. for that matter, had a surge in ...

Flu cases are rising in Vermont, and local pharmacists say they are seeing more people coming in with symptoms. Health ...

The flu vaccine benefits you by protecting you and the people you live with or spend significant time around. Everyone 6 ...

Flu is surging in Massachusetts. State numbers show more cases than in at least five years. Some doctors say it's more severe ...

Here's what parents need to know about the influenza vaccine for babies and children, plus why it's so important.