This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammations of Conjunctiva - Infective, Subject name: Ophthalmology
Epidemo keratoconjunctivitis is caused by? 
Select and explain. 
A. HSV, B. Adenovirus, C. Chlamydia, D. HIV
B: Adenovirus
Answer: B: Adenovirus 
Explanation: ANSWER: (B) AdenovirusREF: Khurana 4th ed p. 70VIRAL CONJUCTIVITISAcute hemorrhagic conjunctivitisEnterovirus 70 (picornavirus)Epidemic keratoconjunctivitisAdenovirus 8,19Pharyngo conjunctival feverAdenovirus 3 and 7