The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for ...

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 ...

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

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

Early results from a trial testing a 2009 H1N1 influenza vaccine in children look promising, according to the trial sponsor, the National Institute of Allergy and Infectious Diseases (NIAID), part ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

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

2023 — A new study of the strain of influenza A responsible for the 2009 H1N1 pandemic -- pdm09 -- shows that the virus has passed from humans to swine about 370 times since 2009, and subsequent ...

The Minnesota Department of Health (MDH) tonight announced it is sending lab samples from seven additional individuals to the U.S. Centers for Disease Control and Prevention (CDC) to be tested for ...