Microbiology 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) 💡 Explanation Which amongst the following biological agents has the highest potential for use as a vector in bioterrorism ✓ Correct Answer: A. Plague (Yersinia pestis)