Proceedings: Streptococcus surveys in Ryukyu Islands, Japan.
D000293:Adolescent; D002648:Child; D006801:Humans; D007564:Japan; D012213:Rheumatic Fever / Q000453:epidemiology; D012214:Rheumatic Heart Disease / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology*