It eradicated smallpox, but how?
von Bubnoff
Andreas
A
D016915:AIDS Vaccines / Q000276:immunology; D006801:Humans; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000276:immunology*
D016915:AIDS Vaccines; D012900:Smallpox Vaccine