A study using lab-made models of the brain suggests that a herpes virus may be a key link between concussions and dementia ...

With many viruses now on the rise, it can be hard to know which illness you have and how to handle it. A doctor helps you to ...

The free test is available to anyone without insurance who is showing symptoms or who has a known exposure to the viruses.

News of a respiratory virus spreading in China and footage of crowded hospitals has predictably led to panic among the people ...

In a statement released Tuesday, the World Health Organization summed up the situation: ...