Variola minor in Bragança Paulista County, 1956: propagating-rate analysis of the spread of variola minor in two elementary schools.
D001938:Brazil; D002648:Child; D004196:Disease Outbreaks; D006801:Humans; D008954:Models, Biological; D012572:School Health Services; D012899:Smallpox / Q000453:epidemiology* / Q000635:transmission; D013029:Space-Time Clustering