The future of vaccinia.
D004739:England; D004812:Epidemiologic Methods; D006358:Hot Temperature; D006801:Humans; D012899:Smallpox / Q000453:epidemiology; D014611:Vaccination; D014615:Vaccinia / Q000453:epidemiology*; D014616:Vaccinia virus / Q000276:immunology; D014765:Viral Vaccines / Q000302:isolation & purification; D014774:Virulence
D014765:Viral Vaccines