Bibliographic Entry Gellin B (1 June 2000). "Vaccines and Infectious Diseases: Putting Risk into Perspective". American Medical Association Briefing on Microbial Threats. National Press Club Washington, DC. Archived from the original on 24 November 2010. Vaccines are the most effective public health tool ever created.

Bibliographic Entry

Gellin B (1 June 2000). "Vaccines and Infectious Diseases: Putting Risk into Perspective". American Medical Association Briefing on Microbial Threats. National Press Club Washington, DC. Archived from the original on 24 November 2010. Vaccines are the most effective public health tool ever created.

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Gellin B (1 June 2000). "Vaccines and Infectious Diseases: Putting Risk into Perspective". American Medical Association Briefing on Microbial Threats. National Press Club Washington, DC. Archived from the original on 24 November 2010. Vaccines are the most effective public health tool ever created.