Chickenpox (varicella)
Chickenpox is a mild childhood illness, that can also occur in adults. It is occasionally serious. Here's how you can prevent catching chickenpox.
Worried about your health?
Select a symptom, answer some questions, get advice
There are several herpesviruses that can infect people. Herpesvirus infections are common, and symptoms can range from no symptoms at all to severe. Symptoms can also recur. Learn more about herpesvirus infections here.