The flu just won’t quit this year. The virus seemed to peak after the December holidays in Massachusetts, headed back down, ...

The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...

As reports swirl about a “quademic” sweeping the nation, it can feel like every virus is peaking at once as Americans sniffle ...

As Gaines County, Texas, deals with a measles outbreak, experts are reminding Americans that outbreaks like these can be ...

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

At least 24 million illnesses, 310,000 hospitalizations, and 13,000 influenza-linked deaths—including 57 children—have ...

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

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

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

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...