This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
Which of the following viruses does not produce viral esophagitis ? 
Select and explain. 
A. Herpes simplex, B. Adenovirus, C. Varicella, D. Cytomegalovirus
B: Adenovirus
Answer: B: Adenovirus 
Explanation: The primary infectious causes of esophagitis are fungal and viral. The most common fungal infection causing esophagitis, and the most common form of infectious esophagitis overall, is Candida esophagitis. Viral esophagitis is generally caused by one of two viruses: herpes simplex virus or cytomegalovirus Ref Davidson edition23rd pg777