RSV, respiratory syncytial virus, usually peaks in December and January while infecting the nose, throat and lungs, usually ...

During the COVID pandemic, RSV showed a slightly odd pattern: like flu, it basically disappeared in the 2020–2021 season, ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

Symptoms usually come on suddenly, according to the CDC, and can include fevers above 100.4 degrees F, dry cough, sore throat, runny nose, body aches, headaches, chills and occasionally nausea, ...

RSV is usually contagious for three to eight days. A patient also may be contagious a day or two before experiencing symptoms ...

Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.

Vietnamese hospitals are witnessing a surge in severe flu cases, with many patients suffering respiratory failure and requiring intensive care.

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

Flu cases surge in Arkansas. Mercy offers walk-in and urgent care options in Fort Smith to help patients access treatment.

Influenza A, COVID-19 and norovirus (stomach flu) are on the rise, according to the Centers for Disease Control and Prevention. But there's a fourth "bug" the public should be aware of: respiratory ...

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