抄録
Following epidemic upper respiratory infection, carriers of Type 4 strains of group-A β-hemolytic streptococci were observed in high incidence among the children of a religious organization in Kyoto City. Serum antistreptococcal antibodies (antistreptolysin 0, antideoxyribonuclease B and antistreptococcal polysaccharide) were analyzed and the interrelations among these antibody titers were studied.