Louisiana has reported the first U.S. fatality from avian influenza. Most of the country’s human cases have been mild ...

Challenge trials help researchers study immune responses. Skeptics still doubt the approach is worth the risks ...

Much of the worry surrounding HMPV comes from concerns it is like coronavirus in 2019: a new virus that can cause severe ...

According to scientists who study diseases, the possibility of a fungal pandemic—the subject of science fiction TV shows like “The Last of Us,” could be more of a reality, thanks to climate change and ...

It’s been five years since the first cases of COVID-19 appeared in the United States, following its discovery in Wuhan, China ...