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

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

Jackson Health System has achieved a historic milestone, reaching an 80% flu vaccination rate among its workers, the highest in the hospital group’s history.

Cases of influenza have increased across the Bay State since late December 2024, with a second surge detected in late January ...

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.