Varicella-zoster virus (VZV) is a highly contagious human herpesvirus responsible for chickenpox upon primary infection and shingles upon viral reactivation. While Varicella-zoster immune globulin ...

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 ...

The varicella vaccine is highly effective and decreases chickenpox cases significantly. Chickenpox is contagious 1-2 days before you develop a rash and until all blisters crust over. If untreated, ...

Evidence suggests reactivations of the varicella-zoster virus may accelerate aging and raise dementia risk. Now scientists want to know if vaccines and antivirals could help protect the brain.

Most people have a virus hiding in their cells. It’s probably been there for years, and it could reactivate anytime. This virus, varicella-zoster, causes both chickenpox and shingles, a painful rash ...