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: Social & Preventive Medicine
Most common cause of death due to measles is 
Select and explain. 
A. Pneumonia, B. Secondary bacterial infection, C. Measles encephalitis, D. Otitis media
B: Secondary bacterial infection
Answer: B: Secondary bacterial infection 
Explanation: None