This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
The causative agent of plague- 
Select and explain. 
A. Yersinia pestis, B. Yersinia enterocolitica, C. Yersinia pseudotuberculosis, D. Pasteurella septica
A: Yersinia pestis
Answer: A: Yersinia pestis 
Explanation: Infection caused by Yersinia genus is divided into

i. Plague - It is a deadly infectious disease caused by Yersinia pestis.
ii. Vers in os it is characterized by infectious diarrhea, enteritis, ileitis and occasionally sep
It is caused by Yersinia enterocolitis (most common) and Yersinia pseudotuberculosis