A study of illness in a group of Cleveland families. XIX. The epidemiology of the acquisition of group A streptococci and of associated illnesses.
D006801:Humans; D013290:Streptococcal Infections / Q000453:epidemiology*; D013291:Streptococcus; D013297:Streptococcus pyogenes
STREPTOCOCCAL INFECTIONS/epidemiology