According to the CDC, there are now more than 60 confirmed cases of bird flu in the U.S. The first severe illness in a human ...

That’s because wildfire smoke contains fine particulates, known as PM2.5, which are one-seventieth the width of a single ...

Authorities in China said they are monitoring cases of human metapneumovirus, or HMPV, after a reported increase inside the ...

The United States has reported its first human death from H5N1 bird flu, marking a somber moment in the ongoing outbreak of ...

U.S. Senate Democrats raised concerns Wednesday that Republicans have scheduled a hearing for one of President-elect Donald ...