Gram Stain of Streptococcus pyogenes

Note gram-positive (purple) cocci in chains (arrows).

Photomicrograph of a Gram Stain of Streptococcus pyogenes.jpg by Gary E. Kaiser, Ph.D.
Professor of Microbiology, The Community College of Baltimore County, Catonsville Campus
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Last updated:October, 2018
Please send comments and inquiries to Dr. Gary Kaiser