This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Measles, Subject name: Social & Preventive Medicine
Subclinical infection is not seen in: 
Select and explain. 
A. Measles, B. Mumps, C. Rubella, D. Japense encephalitis
A: Measles
Answer: A: Measles 
Explanation: Ans-A Measles Ref: 21st edition Park, pg 137 Explanation: Significantly large amount of subclinical eases are in rubella (21st edition Park , pg 140), mumps (21st edition Park. pg 140), Japanese encephalitis (21st edition Park , pg 261). Number of subclinical infection with measles very low (ALMOST NIL).