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
First dose of vitamin A should be given at:September 2005 
Select and explain. 
A. 3 months, B. 6 months, C. 9 months, D. 12 months
C: 9 months
Answer: C: 9 months 
Explanation: Ans. C: 9 monthsNational programme for prevention of nutritional blindness focuses onPromoting consumption of vitamin A rich foods by pregnant and lactating women and by children under 5 years of age.Administration of massive doses of vitamin A up to 5 years. First dose of 100,000 IU with measles vaccination at 9 months and subsequent doses of 200,000 IU each, every 6 months up to the age of 5 years should be given.