This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Hyperangina is caused by ?( 
Select and explain. 
A. Echovirus, B. Coxsakie virus, C. Enterovirus, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Hepangina is caused by Coxsackie viruses Ref Harrison20th edition pg 980