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Diarrheal Diseases
Under the low-power, 10X magnification of a digital Keyence scope, this photograph depicts the colonial growth displayed by Gram-negative, Shigella sonnei bacteria, which were cultured on MacConkey agar (MAC) medium, for a 48-hour time period, at a temperature of 37°C.

Photo by: U.S. CDC/Todd Parker |  VIRIN: 140101-A-A1902-0002.JPG