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
All are true about chickenpox except 
Select and explain. 
A. Pleomorphic rashes seen, B. Centripetal in distribution, C. Crusts contain live virus, D. Rapid progression from macule to vesicle
C: Crusts contain live virus
Answer: C: Crusts contain live virus 
Explanation: None