The virus is most common in infants and children but can also sicken adults, experts say.

The Ebola outbreak in the Democratic Republic of the Congo and Uganda is of particular concern to global health officials in part because the virus detected is a less common strain. The suspected ...

An outbreak of the lethal Nipah virus has sent shockwaves through the eastern Indian state of West Bengal. Health officials are racing to contain the spread as five cases—including frontline doctors ...

A first-of-its-kind drug for hepatitis B is letting some patients stop treatment without showing signs of the dangerous liver ...