Most people may have never heard of RSV, but it was first discovered in chimpanzees in 1956, and the virus regularly causes outbreaks in humans. It’s usually only serious in babies and older ...

Maybe it was really a quadruple-demic. A little known and underappreciated virus called human metapneumovirus spiked in the US this spring just after RSV, influenza and Covid-19 died down.

A virus that virtually nobody has ever heard of has spread across the United States, causing a 36% spike in cases in 2023, according to new data from the Centers for Disease Control and Prevention.

Zika Virus Is Back After 6 Years in One of the Most Popular U.S. Tourist Destinations The island of Oahu has at least one confirmed case of the mosquito-borne virus, which can also be transmitted ...