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United States Department of Agriculture

Agricultural Research Service

Image Number D1606-1

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Image Number D1606-1

Aquatic pathologist Joyce Evans prepares a dose of human group B Streptococcus (GBS) to be injected into tilapia.  


Photo by Peggy Greb.

640 pixels wide: (d1606-1.jpg)

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Last Modified: 11/24/2009
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