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: Ophthalmology
[{'content': 'Which of the following infection can cause hemorrhagic conjunctivitis? \nSelect and explain. \nA. Enterovirus, B. Herpes zoster, C. Herpes simplex, D. Epstein barr virus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Picornavirus, Coxackie virus 24 and Entrovirus 70 causes hemorrhagic conjunctivitis. Acute hemorrhagic conjunctivitis (AHC) is characterized by conjunctival congestion, vascular dilatation and onset of edema. No treatment is available.', 'role': 'assistant'}]