The effect of penicillin on the vaccinia virus.
D004194:Disease; D006801:Humans; D010406:Penicillins / Q000494:pharmacology*; D012899:Smallpox; D014611:Vaccination; D014616:Vaccinia virus; D014777:Virus Diseases; D014780:Viruses
D010406:Penicillins
PENICILLIN/effects; SMALLPOX/vaccination; VIRUSES/diseases