From the case:
Clostridioides difficile (electron microscopy)
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Obtained after an outbreak this micrograph depicts Gram-positive Clostridioides difficile bacteria. These C. difficile organisms were cultured from a stool sample obtained during an outbreak of gastrointestinal illness, and extracted using a .1µm filter.
Author: CDC/ Lois S. Wiggs
Original file: ID#:6253 http://phil.cdc.gov/phil/http://commons.wikimedia.org/wiki/File:Clostridium_difficile_EM.png
Modifications: cropped and modified black bar
License: This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.