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: Medicine
In varicella infection which is not true- 
Select and explain. 
A. Scabs are highly infective, B. Caused by herpes virus, C. Transmitted by oro-pharyngeal secretions, D. Vesicles are centripetal in distribution
A: Scabs are highly infective
Answer: A: Scabs are highly infective 
Explanation: None