The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

The 2025 flu season is hitting Arizonans hard, with some patients staying sick for a whole week, according to a Banner Health nurse practitioner.

The Oklahoma Department of Health encourages Oklahomans to test early when sick and stay home to prevent the spread.

Kavya Beheraj/Axios Virginia is facing the worst bird flu spike since the nationwide outbreak started in 2022, USDA data shows. Why it matters: It's wreaking havoc on farmers, exacerbating egg ...

Flu brain, refers to the cognitive fog and mental sluggishness caused by influenza, impacting memory, focus, and ...

The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection ...