Does the Chickenpox Vaccine Provide Lifelong Protection?
6 October 2025
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The chickenpox vaccine, also called the varicella vaccine or chickenpox jab, has become a key tool in preventing varicella infection. Over 90% of people over the age of 15 in England and Wales are already immune to chickenpox (seropositive for varicella-zoster immunoglobulin G). Yet despite widespread natural immunity, serious cases
