As flu season peaks, and with several other illnesses going around, here's how to stay safe and healthy this season.

Concerns about the spread of influenza are growing in the U.S. as the U.K. sees a flu surge in children and young adults.

A mutated flu virus is spreading across the U.S., with 86.8% of recent cases identified as H3N2 subclade K. The flu shot is ...

The strain—identified in some regions as H3N2 subclade K—has gained traction internationally, prompting warnings from health ...

It's once again the time of year for an uptick in illnesses such as colds, the flu, COVID and RSV. Here are the signs and ...

While most states are still seeing “low” or “minimal” flu activity, the recent data still shows cases trending upward. Just ...

The CDC reports the new mutated strain has made its way to the U.S. after spreading quickly through countries such as the UK, ...

According to a recent report by CIDRAP and the CDC, published on November 24, 2025, viral activity is on the rise, and it's ...

The data released by the CDC is on a delay, so it doesn't yet include the week of Thanksgiving, when many people were ...

And, according to the CDC, co-administration of the vaccines is generally safe, though studies show that people who got both ...

“Most cases of flu can be managed safely at home, and NCH encourages our community to take simple, proactive steps to stay ...

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss the flu season and flu vaccine.