Factors related to the incidence of symptomless infections with haemolytic streptococcus.
D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D005260:Female; D006361:Heating; D006801:Humans; D006813:Humidity; D007564:Japan; D008297:Male; D013290:Streptococcal Infections / Q000453:epidemiology*