"Again, I don't want to give advice," Kennedy said. "I can tell you, in Europe, they don't use the chickenpox vaccine ...

Medical authorities worldwide have established the safety and effectiveness of the vaccine against chickenpox, despite US ...

When individuals reach age 50, their risk of developing shingles increases, making it more important than ever to understand this painful condition and how to help prevent it.

Anyone who has had chickenpox can develop shingles. What makes this viral infection so dangerous and how can you protect ...

varicella zoster virus (which causes chickenpox), and cytomegalovirus. Both HSV-2 and varicella zoster virus infections were also associated with a heightened risk of Alzheimer’s disease.

Researchers have found that the herpes virus, which causes cold sores, increases Alzheimer’s risk by as much as 80% by ...

Catching the virus that causes cold sores almost doubles the risk of developing Alzheimer's - but treatment slashes the odds, ...

Travel writer Sara Iannacone struggled with intense symptoms on the road. Here’s what she wished she would have known.