Bacteremia Due to Atypical Streptococci Belonging to Lancefield Group A: Report of Two Cases
Open Access
- 1 March 1974
- journal article
- research article
- Published by Oxford University Press (OUP) in American Journal of Clinical Pathology
- Vol. 61 (3) , 358-360
- https://doi.org/10.1093/ajcp/61.3.358
Abstract
Two strains of Lancefield group A streptococci isolated from the blood of two individuals exhibited several aberrant characteristics-lack of beta-hemolysis, bacitracin resistance, non-typability by M or T schemes, lack of DNAase activity, and a benign clinical course. On the basis of the characteristics and behavior of these strains and of other atypical group A streptococci reported in the literature, two distinct classes of atypical Lancefield group A streptococci can be recognized, one closely and the other distantly related to the classic Streptococcus pyogenes.Keywords
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