Spring allergy season is expected to worsen in 2025. Longer growing seasons due to climate change have caused seasonal ...

The number of influenza cases is surging across the United States, putting significant strain on many hospitals. We asked the ...

A look at the numbers behind peak flu season during the month of February, as the CDC estimates there have been nearly 29 million cases in the U.S. since the fall. ABC News medical correspondent ...

Doctor visits and hospitalizations for flu have hit a 15-year high. Why is this flu season so bad? Experts discuss influenza trends, symptoms and how to stay safe.