Bacitracin and Group A Streps

Dilworth bactitech at hortonsbay.com
Sat Aug 4 11:00:44 EST 2001

If the organism agglutinates in Group A latex, we report it as Strep.
pyogenes (Group A streptococcus) I believe.  I can't remember the exact
wording of the computer comment.  We don't use PYR for beta streptococci

Judy Dilworth, M.T. (ASCP)

KKiser6239 wrote:

> Are you reporting as Group A Streptococcus or S. pyogenes?  There are small
> colony B-streps that are A positive and PYR negative that are not S. pyogenes.
> (They are S. anginosus)

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