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WASHINGTON, DC - Oct. 27: Alexander G. Garza, assistant secretary of Homeland Security for health affairs and chief medical officer, during the House Homeland Security Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology hearing on the federal response to the H1N1 pandemic influenza pandemic. (Photo by Scott J. Ferrell/Congressional Quarterly)

WASHINGTON, DC - Oct. 27: Alexander G. Garza, assistant secretary of Homeland Security for health affairs and chief medical officer, during the House Homeland Security Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology hearing on the federal response to the H1N1 pandemic influenza pandemic. (Photo by Scott J. Ferrell/Congressional Quarterly)

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