Respiratory virus season is in full swing across California, with several illnesses spreading across the state. Cases of ...

California public health officials cautioned more children are testing positive for the flu this season. Here are flu ...

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

One person who contracted it died. The fungus is commonly found in soil in the Ohio River and Mississippi River valleys, and ...

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

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Experts say COVID-era safety provisions are now central to how long-term care homes manage infectious disease.

California officials warn of an increase in flu-related hospitalizations and confirm a second severe-flu-related death.

TWO OF THE FOUR CHILDREN WHO HAVE DIED FROM THE FLU ARE FROM HERE IN THE CITY OF BOSTON. AND CITY HEALTH OFFICIALS SAY TWO OF ...

In West Michigan, a surge in flu cases strains hospitals, exacerbated by low vaccination rates and a new influenza mutation.

The U.S. is facing its worst flu season in 25 years, according to the Centers for Disease Control and Prevention, which ...

U.S. flu infections are showing signs of a slight decline, but health officials say it's not clear that this severe flu season has peaked ...