This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Adenovirus causes - 
Select and explain. 
A. Keratoenjuctivitis, B. Diarrhea, C. Parotid enlargement, D. All of the above
A: Keratoenjuctivitis
Answer: A: Keratoenjuctivitis 
Explanation: It causes epidemic keratoconjunctivitis REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.482