[Epidemiology of communicable diseases].
D003141:Communicable Diseases / Q000453:epidemiology*; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D007558:Italy; D011051:Poliomyelitis / Q000453:epidemiology / Q000276:immunology; D012499:Sanitation / Q000592:standards; D012899:Smallpox / Q000266:history / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000627:therapeutic use; D013548:Sweden; D014376:Tuberculosis / Q000266:history / Q000276:immunology
D012900:Smallpox Vaccine
Zur Epidemiologie der Infektionskrankheiten.