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At Sanofi Pasteur'sPA flu vaccine plant, newly-delivered chicken eggs are inspected in red light before being inoculated with influenza virus. More images available. Credit Marty Katz/pictureserver.com ..Copyright 2010 by Marty Katz. All rights reserved. Call for clearance prior to use. Required adjacent credit: "DC Photographer Marty Katz" linked to http://washingtonphotographer.com
