Category B Diseases/Agents, a designation by the U.S. Centers for Disease Control and Prevention (CDC) for bioterrorism agents that includes dangerous illnesses, germs, and/or bacteria that are moderately easy to disseminate, result in moderate morbidity rates and low mortality rates, and require specific enhancements of the diagnostic capacity and enhanced disease surveillance. See also Category A Diseases/Agents, Category C Diseases/Agents.
