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
Moality rate of measles in developing countries? 
Select and explain. 
A. 10%, B. 20%, C. 30%, D. 40%
A: 10%
Answer: A: 10% 
Explanation: Ans. is 'a' i.e., 10% Measles-associated moality is usually higher among the very young and very old. Moality in developing countries may be as high as 10 to 15% due to one or several factors, including the early age of infection, malnutrition, diarrhea, concomitant/secondary bacterial infections, and lack of access to good medical care. Most common cause of death is pneumonia in children and encephalitis in adults.