This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunization, Subject name: Pediatrics
A 9-month-old un-immunized child was brought to the dispensary, which vaccination should be given to this baby at first visit? 
Select and explain. 
A. OPV + BCG, B. OPV + DPT + Measles, C. OPV + BCG + DPT + Measles, D. OPV + DPT + BCG
C: OPV + BCG + DPT + Measles
Answer: C: OPV + BCG + DPT + Measles 
Explanation: c. OPV + BCG + DPT + Measles(Ref: IAP 115, 383, Ghai 8/e p 145)Recommendations for Catch up immunizationVaccination catch up regimens should preferably be individualizedAny number of vaccines live/inactivated may be given on the same day either singly or as combination vaccines maintaining a gap of 5cm between different vaccinesInactivated vaccines can be given at any time in relation to any other live/ inactivated vaccinesIf not given on the same day, a gap of 4 weeks should be maintained between two live injectable vaccines