Under a high magnification of 8000X, this colorized scanning electron micrograph (SEM) depicted a grouping of Gram-negative Legionella pneumophila bacteria. Please see PHIL 11092 through 11152 for additional SEMs of these organisms, specifically PHIL 11096 for a black and white version of this image.
CDC/ Margaret Williams, PhD; Claressa Lucas, PhD;Tatiana Travis, BS
December 4, 2012
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