Actor Val Kilmer, 65, died of pneumonia this week, his daughter confirmed. Dr. Marc Siegel discusses common causes and risks ...

A mysterious and deadly illness known as “crying disease” has been sweeping through parts of Congo. So far, it has […] ...

Public health leaders looked to UNC-Chapel Hill virologist Ralph Baric to end the pandemic. Their critics blamed it on him.

On a November morning in 2018, a man checked into a crowded emergency department (ED) in California reporting fever and body ...