The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

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

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

The CDC classifies 32 states and Washington, D.C., as having “very high” flu activity levels and 11 states as having “high” ...

COVID-19 vaccination averted more than 5,000 US in-hospital deaths, 13,000 intensive care unit (ICU) admissions, and 68,000 ...

The flu vaccine benefits you by protecting you and the people you live with or spend significant time around. Everyone 6 ...

Dr. Matthew Simmons, UPMC Western Maryland vice president of medical staff affairs, said vaccines provide the “single most ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general. Trends ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general.

According to the CDC, Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. Most human cases of bird flu in the U.S. have been mild so far ...