Serologic Testing to Identify Group A Streptococcus Antigen: A Positive Test

Illustration of a positive test for Group A <i>Streptococcus</i> antigen showing a red band in both the test region and the control region of the test strip.

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Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017