The varicella-zoster virus causes both chickenpox and shingles infections. Initially, the virus causes a chickenpox infection. If it reactivates later, shingles can develop. The chickenpox vaccine ...

Shingles is a painful blistering rash caused by the chickenpox virus that can last for weeks, months, or even years, and can cause blindness if it gets near the eye, and doctors recommend that people ...

Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...