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
Immune reconstitution inflammatory syndrome typically occurs following anti retroviral therapy after a duration of: 
Select and explain. 
A. 1-2 weeks, B. 2-6 weeks, C. 6-12 months, D. 1-2 years
B: 2-6 weeks
Answer: B: 2-6 weeks 
Explanation: Typically immune reconstitution inflammatory syndrome occurs within 2-12weeksof initiation of A, though it may present later between 6 weeks to 6 months. Ref: