Flu is taking off in the U.S., with 40 states reporting high or very high levels of flu-like illness last week.

So far this season, the CDC estimates, there have been at least 5.3 million flu illnesses, 63,000 hospitalizations, and 2,700 ...

There may be an increase in vaccine hesitancy but it isn't too late for those who would still want them, one doctor says.

Symptoms of the virus are similar to that of other respiratory illnesses that are currently circulating throughout the U.S.

The Centers for Disease Control and Prevention is reporting New Hampshire as one of 11 states currently at a "very high" level of respiratory illness.

While the University of Cincinnati Medical Center has not seen a major spike in major illnesses, like the flu, RSV or ...

Respiratory syncytial virus, or RSV, is a common virus that infects the nose, throat and lungs, according to the U.S. Centers ...

So, which respiratory virus invaded your cells? Several types of viruses could be the culprit: respiratory syncytial virus ...

A 6-year-old boy has RSV, strep throat, and pneumonia. His mother never thought a cough could escalate so fast.

Respiratory syncytial virus is the leading cause of hospitalization among U.S. infants. A vaccine, nirsevimab, can reduce the ...

Common RSV symptoms include coughing, congestion, and headaches, as well as trouble eating, drinking, and swallowing. RSV ...

The House of Representatives appears to have failed to elect a House speaker during the first round of voting as Rep. Mike ...