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 ...

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

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

The flu is walloping every corner of Massachusetts in an unusual second surge of the season, with people reporting flu-like ...

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

Flu deaths have surpassed COVID-19 in California for the first time since the pandemic, with concerns over low vaccination rates and a likely severe flu season.

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

Influenza A — a nasty flu strain that fueled the 2009 flu epidemic — has been landing Ohioans in the hospital since the ...

Most of Trump’s health picks are uninterested in using most of the tools that can limit the spread of infectious disease.

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