Category A

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The page below is a sample from the LabCE course Bioterrorism: The Laboratory's Role and Response. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Bioterrorism: The Laboratory's Role and Response (online CE course)
Category A

Those agents in Category A are highest-priority because they:
  • Can be easily disseminated or transmitted person-to-person.
  • Cause high mortality, with potential for major public health impact.
  • Might cause public panic and social disruption.
  • Require special action for public health preparedness.
Examples of Category A agents are shown in Table 1.
Table 1. Examples of Category A agents.
Category A Agents
Smallpox (variola major)
Anthrax (Bacillus anthracis)
Plague (Yersinia pestis)
Botulism (Clostridium botulinum toxin)
Tularemia (Francisella tularensis)
Ebola hemorrhagic fever
Marburg hemorrhagic fever
Lassa fever
Argentine hemorrhagic fever