A study of group A hemolytic Streptococcus carriers among school children. I. Material, methods and results of the studies.
D002648:Child; D006579:Heterozygote; D006801:Humans; D013290:Streptococcal Infections / Q000635:transmission*; D013291:Streptococcus; D013297:Streptococcus pyogenes
STREPTOCOCCAL INFECTIONS/transmission