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
What is the recommended isolation period of Hepatitis A from the initial onset of symptoms? 
Select and explain. 
A. 1 week, B. 2 weeks, C. 3 weeks, D. 4 weeks
B: 2 weeks
Answer: B: 2 weeks 
Explanation: Isolation period of Hepatitis A is first 14 days of illness and for at least 7 days after jaundice show up. Incubation period of Hepatitis A is 10-50 days, commonly about 30-35 days.