This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
A 3.5 year old child has not received primary immunization. Which of the following is the best vaccination advice to such a child? 
Select and explain. 
A. BCG, DPT1 and OPV1. DPT2 and OPV2 after 4 weeks., B. BCG, DT1, OPV1, measles, vitamin A, C. BCG, DPT1, OPV1, measles, vitamin A, D. DT1, DT2 and booster after 1 year
C: BCG, DPT1, OPV1, measles, vitamin A
Answer: C: BCG, DPT1, OPV1, measles, vitamin A 
Explanation: BCG, DPT1, OPV1, measles, vitamin A Ref : Park's Textbook of Preventive medicine