Which amongst the following biological agents has the least potential for use as a biological weapon for microbial bio-terrorism?: (A) Plague (Yersinia Pestis), (B) Small Pox (Variola Major), (C) Botulism (CI. Botulinum), (D) Brucellosis (Brucella spp)
Answer is D. Brucella spp, comes under the Category B agents used in bioterrorism which has moderate morbidity rates and low moality rates as compared to the other agents shown above which are Category A agents and responsible for high moality rates. Ref: Harrison's Principles of Internal Medicine, 16th edition, Page 1279.