This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Live vaccines are -a)  TTb) BCGc)  DPTd)  OPVe)  MMR 
Select and explain. 
A. dc, B. cbe, C. bde, D. eb
C: bde
Answer: C: bde 
Explanation: None