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: Social & Preventive Medicine
Incubation period of Mumps is 
Select and explain. 
A. 7 days, B. 18 days, C. 10 days, D. 14 days
B: 18 days
Answer: B: 18 days 
Explanation: None