The U.S. also endured its highest flu-related hospitalization rates in almost 15 years last flu season, with unvaccinated people comprising two-thirds of those hospitalizations. Those who skip ...

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

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

Trump justified withdrawing from the health alliance formed in 1948 based on what he viewed as the “mishandling” of the ...

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 ...

It is definitely still worth getting a vaccine. If H1N1 comes around, you can get infected with that one or even a second ...

Measles has been spreading in the U.S. for a year, a milestone that could mean the virus can no longer be considered ...

Too many older adults, whose weakening immune systems and high rates of chronic illness put them at higher risk of infectious diseases, have not taken advantage of vaccination.

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

Across the United States, clinics and emergency rooms are again filling with people who have high fevers, hacking coughs, and ...