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Uploaded on Jun 29, 2011
Time lapse of beta-hemolytic activity produced by Group A Streptococcus Gram-positive bacteria, secreting the cytotoxin Streptolysin S. Activity measured by growth on blood agar over 9hours at 37C. Produced By the Lee Lab at the University of Notre Dame for the Center for Rare and Neglected Diseases. Shaun Lee, Ph.D.-Primary Investigator Clayton Thomas -Lab Manager Will Wall -Photography