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
Emergence or resurgence seen in which of the following organisms - 
Select and explain. 
A. Poliovirus, B. Measles virus, C. Nipah virus, D. All
C: Nipah virus
Answer: C: Nipah virus 
Explanation: Ans. is 'c' i.e., Nipah virus