The prevention of type specific immunity to streptococcal infections due to the therapeutic use of penicillin. Occurrence of second attacks due to the same type of group A hemolytic streptococci.
D035843:Biomedical Research; D010406:Penicillins / Q000628:therapy*; D013203:Staphylococcal Infections / Q000276:immunology*; D013290:Streptococcal Infections; D013291:Streptococcus; D013297:Streptococcus pyogenes
D010406:Penicillins
PENICILLIN/therapy; STAPHYLOCOCCAL INFECTIONS/immunology