[Accidental vaccinia].
D006801:Humans; D008297:Male; D008875:Middle Aged; D012900:Smallpox Vaccine; D013203:Staphylococcal Infections / Q000188:drug therapy; D014611:Vaccination / Q000009:adverse effects; D014615:Vaccinia / Q000276:immunology
D012900:Smallpox Vaccine