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 ...

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

Months of recurring acne in the same spot on my face and one panicked Google search later, I landed upon face mapping—i.e., a ...