The epidemiological observations made in the two smallpox outbreaks in the land of Northrhine-Westphalia, 1962 at Simmerath (Eifel region) and 1970 at Meschede.
D000391:Air Microbiology; D000392:Air Movements; D003428:Cross Infection; D004196:Disease Outbreaks; D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D010357:Patient Isolators; D012899:Smallpox / Q000453:epidemiology*