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: Gynaecology & Obstetrics
Virus is shed during which phase of herpes simplex virus infection 
Select and explain. 
A. Vesicle and crusting stage, B. Vesicle and ulceration stage, C. Ulceration and crusting stage, D. Crusting stage alone
B: Vesicle and ulceration stage
Answer: B: Vesicle and ulceration stage 
Explanation: Virus is shed during first two phases of herpes genitalis. i.e vesicle and ulceration.