Tuesday, May 23, 2017
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The U.S. public health system and primary healthcare providers must be prepared to address various biological agents, including pathogens that are rarely seen in the United States.

High-priority agents include organisms that pose a risk to national security because they:

  • Can be easily disseminated or transmitted from person to person;
  • result in high mortality rates and have the potential for major public health impact;
  • might cause public panic and social disruption;
  • require special action for public health preparedness. 


Category A Diseases/Agents


Category B Diseases/Agents

  • Are moderately easy to disseminate
  • Result in moderate morbidity rates and low mortality rates
  • Difficult to detect under current methods


Category B Biological Agents include:


Sources for the FAQs and definitions were the CDC and JAMA Consensus Statement.

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