It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February.

Over the past week, a series of developments have reaffirmed the imminent danger of an H5N1 “bird flu” pandemic, for which ...

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

The weekly number of lab-confirmed influenza cases on Long Island was the highest in at least the past two seasons, with ...

With data showing a significant rise in flu cases nationwide, medical experts are describing it as the worst flu season since ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

Flu has surged to high levels across the US, straining hospitals. Experts discuss 2024-25 flu season trends, symptoms to ...

This year’s flu season is on track to be the worst it’s been since before the Covid-19 pandemic, as respiratory illnesses ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

By 1957, scientists had a significantly more sophisticated understanding of influenza, worrying them that a pandemic similar ...

The Massachusetts health commissioner accused Trump of 'putting the health and wellbeing of Americans at risk.' ...