Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects actually mean for your immunity.

The risk of influenza continues to be high in DuPage County, whereas the COVID and RSV risk has been upgraded from low to ...

Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

A group of volunteers spent days locked in a small hotel room with people actively infected with flu. They played games, ...

The Influenza A H3N2 virus subclade K represents a change in the basic structure of the influenza virus.

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

Six viral diseases — including COVID-19, the flu and norovirus — have been found at high concentrations in Lawrence ...

A commercial broiler breeder flock in Walker County, Georgia, has tested positive for highly pathogenic avian influenza (HPAI ...

Learn more about seasonal flu, including where to get a flu vaccine and how to treat seasonal flu.

Based on thousands of tests across CHI Health hospitals and clinics, one in four flu tests are now positive for Influenza-A, ...

The CDC estimates there have been at least 19 million cases so far this season.

Flu-related hospital admissions are up since December and the respiratory illness season typically extends through April.