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United States Department of Agriculture

Agricultural Research Service

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Image Number D1185-1

Geneticist Michael Cooley collects a sediment sample to test for E. coli O157:H7. The pathogen was found near fields implicated in the 2006 outbreak of E. coli O157:H7 on baby spinach.


Photo by Diana Carychao.

640 pixels wide: (d1185-1.jpg)

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Last Modified: 8/13/2016
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