STUDIES OF HEMOLYTIC STREPTOCOCCAL INFECTION. III. THE CHARACTERISTICS OF THE HEMOLYTIC STREPTOCOCCI ISOLATED FROM PATIENTS WITH ERYSIPELAS 1

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Abstract
Of 22 strains of hemolytic streptococci derived from patients with erysipelas, all were of the human origin, i.e., Group A as detd. by the method of Lancefield. 16 of the 22 strains produced erythrogenic toxin, and the toxin from 14 of the 16 strains was neutralized by antiscarlatinal serum which was produced from the NY5 strain of hemolytic streptococcus. The observations indicated that the organisms derived from erysipelas did not seem to differ from those obtained from the other human infections by the hemolytic streptococcus.