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: Medicine
Hand foot mouth disease is characterized by   a) Cause miniepidemic in school  b) I.P. -3 - 10 Days  c)  Transmitted by virus  d) C/F similar test seen in cows 
Select and explain. 
A. ac, B. ad, C. bd, D. cd
A: ac
Answer: A: ac 
Explanation: None