Under a moderate magnification of 1200X, this scanning electron micrograph (SEM) depicted a diffuse group of Gram-negative Legionella pneumophila bacteria. Please see PHIL 11092 through 11152 for additional SEMs of these organisms, specifically PHIL 11102 for a colorized version of this image.
CDC/ Margaret Williams, PhD; Claressa Lucas, PhD;Tatiana Travis, BS
December 2, 2012
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