Chicken pox (varicella) is the disease people get when they are exposed to the varicella-zoster virus for the first time.

A few months ago, you wrote about the benefits of the shingles vaccine. At 63, I’m one of the 1% who has never had, nor been exposed to, chicken pox. I was tested in 2022 for varicella-zoster virus ...

We tend to think of COVID-19 as a respiratory illness. But, like many viruses, COVID can also affect your skin and cause ...