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UDDER INFECTION WITH STREPTOCOCCI OF THE SCARLET FEVER TYPE : II. A STUDY OF THE SCARLET FEVER TYPE OF STREPTOCOCCI
1Department of Animal Pathology of The Rockefeller Institute for Medical Research, Princeton, N.J.
Abstract:
The streptococcus isolated from the udder of a cow on a farm where an outbreak of scarlet fever originated has been correlated with known scarlet fever strains. This streptococcus and another also isolated from the udder of a cow are indistinguishable in cultural characters and certain antigen affinities from S. scarlatinae. Skin tests indicate that the strain isolated from the milk of the cow in a herd to which the scarlet fever epidemic was attributed produced a toxin which was neutralized with scarlet fever antitoxin.
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