WhoLab15.GIF


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Summary

Description
English: Influenza positive tests reported to CDC by US WHO/NREVSS collaborating laboratories, national summary, 2008-2009: subtypes and percent positive tests
Date
Source Centers for Disease Control and Prevention (CDC)
Author CDC Influenza Division

Licensing

Public domain
This image is a work of the Centers for Disease Control and Prevention , part of the United States Department of Health and Human Services , taken or made as part of an employee's official duties. As a work of the U.S. federal government , the image is in the public domain .

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24 April 2009