The failure of antistreptolysin to protect against streptococcal infection.
D000989:Antistreptolysin; D006801:Humans; D020011:Protective Agents; D013290:Streptococcal Infections / Q000276:immunology*; D013301:Streptolysins / Q000037:antagonists & inhibitors*
D020011:Protective Agents; D013301:Streptolysins; D000989:Antistreptolysin
STREPTOCOCCAL INFECTIONS/immunology; STREPTOLYSIN/antagonists