Chickenpox Vaccine

What is Chickenpox Vaccine? Chickenpox vaccine, also known as varicella vaccine, is a vaccine that protects against chickenpox. The active ingredient in Chickenpox vaccine is a live but weakened varicella-zoster virus. This specially weakened virus is called the Oka strain. Chickenpox is caused by the varicella zoster virus (VZV). Its most common symptom is an itchy rash all over the         Read More …