Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.

HMPV is considered relatively common, with most infected before age 5, according to Dr. Eileen Schneider, an epidemiologist with the CDC. It often circulates during flu season and causes symptoms ...

Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several more weeks." ...

HMPV is considered relatively common, with most infected before age 5, according to Dr. Eileen Schneider, an epidemiologist with the CDC. It often circulates during flu season and causes symptoms ...