Gram Stain of Streptococcus
pyogenes
![](images/strep_pyogenes01.jpg)
Note Gram-positive (purple) cocci
in chains (arrows).
![Creative Commons License](https://i.creativecommons.org/l/by/4.0/88x31.png)
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