The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like ...

The surge in flu cases also comes amid concerns about high infection rates for other viruses including RSV, COVID-19 and the gastrointestinal bug norovirus. Still, health officials say flu cases ...

The flu is surging around Massachusetts. Activity for the virus is designated as “very high” across the state, which is seeing the highest level of the illness since before the COVID-19 ...

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 ...

FILE - This 2005 electron microscope image shows an avian influenza A H5N1 virion. (Cynthia Goldsmith, Jackie Katz/CDC via AP, File) Cynthia Goldsmith, Jackie Katz/CDC/AP ...

OLYMPIA, Wash. — The Washington State Department of Agriculture (WSDA) has issued a warning to pet owners after at least two ...