Epidemiologic surveillance of streptococcal infectious foci in Bucharest, during the 1963-1977 period.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D004197:Disease Reservoirs; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012383:Romania; D013290:Streptococcal Infections / Q000453:epidemiology* / Q000517:prevention & control