Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.
The worker was infected with a type of bird flu that’s different from the version that has been spreading in U.S. herds since ...
The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.
The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.
The flu is walloping every corner of Massachusetts in an unusual second surge of the season, with people reporting flu-like symptoms at rates higher than any other winter peak since before COVID ...
Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...