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
All of the following vaccines are live vaccines except: 
Select and explain. 
A. BCG, B. OPV, C. DPT, D. Measles
C: DPT
Answer: C: DPT 
Explanation: 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.