Is smallpox vaccine varicella vaccine?

Dr. Tracy Martin
Verified

Passionate about making a difference.
2025-05-01 17:48:31
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Smallpox is a virulent infectious disease caused by smallpox virus. In 1979, the World Health Organization announced that smallpox had been eradicated. Chickenpox is caused by the initial infection of varicella-zoster virus and is a self-limited infectious disease. Smallpox and chickenpox are two diseases, so smallpox vaccine is not chickenpox vaccine.