A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...

Whooping cough cases are nearly five times higher than cases reported in 2023, with the CDC urging people to get vaccinated.

The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to ...

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.

This year's winter COVID-19 wave is off to a late start, and experts expect cases to keep rising. Here's what to know.

California is known for its residents' healthy lifestyles, but what does that mean for heart disease mortality risk if you ...

COVID-19 cases are back on the rise nationally, according to the latest trend data from the Centers for Disease Control and Prevention. CDC data shows an increase in weekly test positivity and a ...

A Northern Kentucky resident has died after being exposed to rabies, the Kentucky Department of Public Health said Friday.

Scientists are issuing warnings after a bird flu patient showed mutations that could increase the transmission of the virus.