Los puntos clave no están disponibles para este artículo en este momento.
Immunological differences have been shown to exist between strains of Streptococcus hoemolyticus of the human type. 2. Four biological types have been identified by means of the reactions of agglutination and protection. 3. At least two other types have been encountered and the indications are that more exist.
Dochez et al. (Mon,) studied this question.