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
[{'content': 'All of the following vaccines are live vaccines except: \nSelect and explain. \nA. BCG, B. OPV, C. DPT, D. Measles', 'role': 'user'}, {'content': 'Answer: C \nExplanation: c. DPT(Ref: Ghai 8/e p 193)DTwP is composed of tetanus and diphtheria toxoids as well as killed whole cell pertussis bacilli adsorbed on insoluble aluminium salts which act as adjuvants.', 'role': 'assistant'}]