Which amongst the following biological agents has the highest potential for use as a vector in bioterrorism: (A) Plague (Yersinia pestis), (B) Small pox (variola major), (C) Botulism (Cl. Botulinum), (D) Brucellosis (Brucella sp)
Answer is A. Plague - this disease has a history of its use in biological warfare dating back many centuries and is considered a thread due to its ease of culture and ability to remain in circulation among local rodents for a long period of time. Ref: Baveja textbook of microbiology; 4th edition