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
Anti-retroviral therapy is started when CD4 count is less than 
Select and explain. 
A. 100, B. 350, C. 200, D. 400
B: 350
Answer: B: 350 
Explanation: None