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 ...

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

The Centers for Disease Control and Prevention resumed publishing its weekly scientific report Thursday after an unprecedented pause, but information about the bird flu virus that was supposed to ...

There have been an estimated 24 million flu illnesses, 310,000 hospitalizations and 13,000 deaths so far this season — but the Trump administration has made it harder to communicate vital health data.

During the week ending Feb. 1, 8% of emergency department visits were due to flu compared with 3.2% the same time last year, according to the CDC data. Additionally, 31.6% of tests came back ...

The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the ...

The Trump administration has intervened in the release of important studies on the bird flu, as an outbreak escalates across ...

(NEXSTAR) – The map of flu activity across the United States continues to darken, both figuratively and literally, as case ...

At the beginning of the month, the CDC listed Kentucky’s flu levels as “high”, though current data reporting from the week ...