Abstract
Summary
(1) Studies of the penicillin sensitivity of group A hemolytic streptococci isolated from scarlet fever patients before, during, and following penicillin therapy indincate that, with the usual “short” courses of treatment, drug-resistant strains of the organism do not appear.
(2) The likelihood of the development of penicillin resistance in cases of streptococcal infection treated with this agent appears to be very remote.
(3) No penicillin-resistant strains of Strep. pyogenes (group A) were recovered in any instance before antibiotic therapy was started.
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