Am I still immune to smallpox if I was vaccinated as a child?
D000328:Adult; D000367:Age Factors; D002648:Child; D006801:Humans; D008875:Middle Aged; D012899:Smallpox / Q000276:immunology*; D012900:Smallpox Vaccine / Q000008:administration & dosage / Q000276:immunology*
D012900:Smallpox Vaccine