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United States Department of Agriculture

Agricultural Research Service

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Image Number D1122-1

Entomologist Yanping (Judy) Chen injects a healthy bee with viruses extracted from bees in colonies showing colony collapse disorder. She will then evaluate immune responses to these viruses.


Photo by Peggy Greb.

640 pixels wide: (d1122-1.jpg)

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Last Modified: 8/13/2016
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