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
Medium term intervention for Vitamin A prophylaxis is – 
Select and explain. 
A. Measles immunization, B. Vit A supplementation, C. Fortification of food, D. Green leafy vegetables
C: Fortification of food
Answer: C: Fortification of food 
Explanation: None