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US health center studies swine flu virus
(Agencies)
Updated: 2009-04-27 17:29

US health center studies swine flu virus

Senior microbiologist for the County of San Diego Health and Human Services Agency Anna Liza Manlutac is surrounded by cameras as she begins her testing for influenza at the country health lab in San Diego, California April 26, 2009. [Agencies]

 

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