This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Aziththromyan prophylaxis in trachoma is given when prevalence is above? 
Select and explain. 
A. 8%, B. 6%, C. 4%, D. 10%
D: 10%
Answer: D: 10% 
Explanation: <p> Current WHO recommendations for antibiotic treatment of trachoma District level prevalence is >10% in 1-9 years old children: mass treatment with azythromycin Reference:WHO Trachoma control:A guide for programme managers,2006;page no:21-22. <\p>