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United States Department of Agriculture

Agricultural Research Service

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Image Number D1182-1

Research assistant Danielle Goudeau inoculates a lettuce leaf with E. coli O157:H7 in a biological safety cabinet to study the biology of the human pathogen on leafy greens.


Photo by Peggy Greb.

640 pixels wide: (d1182-1.jpg)

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Last Modified: 8/13/2016
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