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Disease Information

Category A disease agents

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; and require special action for public health preparedness.

 These agents include: Anthrax Botulism Plague Smallpox Tularemia Viral Hemorrhagic Fever (Ebola)

Category B disease agents

Second highest priority agents include those that,

  • are moderately easy to disseminate;
  • result in moderate morbidity rates and low mortality rates; and
  • Require specific enhancements of CDC's diagnostic capacity and enhanced disease surveillance.

These agents include: Brucellosis, Salmonella, E-Coli, Q fever and Ricin

Category C disease agents

Third highest priority agents include emerging pathogens that could be engineered for mass dissemination in the future because of,

  • availability;
  • ease of production and dissemination; and
  • Potential for high morbidity and mortality rates and major health impact

These agents include many emerging infectious diseases such as Nipah virus and Hantavirus

Flu Pandemic

Flu pandemic is a global flu outbreak that occurs when a new flu virus appears in the human population, causes serious illness, and then spreads easily from person to person worldwide. Flu resources are provided below.

Organization Information

Annual Reports


Organization Documents

- Strategic Plan
- Mission and Vision
- Agency Organization Chart