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The Journal of Experimental Medicine logoLink to The Journal of Experimental Medicine
. 1919 Sep 1;30(3):179–213. doi: 10.1084/jem.30.3.179

STUDIES ON THE BIOLOGY OF STREPTOCOCCUS

I. ANTIGENIC RELATIONSHIPS BETWEEN STRAINS OF STREPTOCOCCUS HÆMOLYTICUS.

A R Dochez 1, O T Avery 1, R C Lancefield 1
PMCID: PMC2126681  PMID: 19868354

Abstract

1. Immunological differences have been shown to exist between strains of Streptococcus hœmolyticus 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.

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Selected References

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  1. Avery O. T., Cullen G. E. THE USE OF THE FINAL HYDROGEN ION CONCENTRATION IN DIFFERENTIATION OF STREPTOCOCCUS HAEMOLYTICUS OF HUMAN AND BOVINE TYPES. J Exp Med. 1919 Jan 31;29(2):215–234. doi: 10.1084/jem.29.2.215. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Dochez A. R., Avery O. T. VARIETIES OF PNEUMOCOCCUS AND THEIR RELATION TO LOBAR PNEUMONIA. J Exp Med. 1915 Feb 1;21(2):114–132. doi: 10.1084/jem.21.2.114. [DOI] [PMC free article] [PubMed] [Google Scholar]

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