The U.S. is in peak flu season, as the CDC releases a map of influenza activity across the country. See which states are at ...

Delays in CDC analyses of infectious disease threats and agency silence will harm Americans, doctors and ...

The US is dealing with an unusually intense influenza outbreak that has infected between 29 and 51 million people and hospitalized up to 820,000 since October. It's one of the worst flu seasons in 15 ...

Feeling under the weather? In Texas, cedar can bring sneezing, congestion and itchy eyes, but so can the flu, COVID-19 and ...

The flu just doesn't seem to be letting up as people are calling out of work and school to deal with the virus that's ...

Influenza, COVID-19 and RSV are staples of the winter cold and flu season, but the measles, whooping cough and norovirus are ...

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

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

A new study says the flu A viral strain can adapt shape to stay infectious. Infectious disease doctors break down what this ...

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick ...