This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraindications, AEFIs, Subject name: Social & Preventive Medicine
Eight months old child had history of unusual crying and convulsions following previous vaccination after BCG, DPT & OPV (first dose) and Hepatitis B. Now parents have brought child for next doses of vaccination. Which vaccine is contraindicated in this situation? 
Select and explain. 
A. Measles, B. DPT, C. Hepatitis B, D. DT
B: DPT
Answer: B: DPT 
Explanation: Unusual crying following DPT is most likely to be Persistent Inconsolable Screaming. Similarly, convulsions are most likely to be d/t DPT. Hence, DPT should not be given subsequently. It can be replaced by DT.