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
Mass treatment of trachoma is undeaken if prevalence of trachoma in community is more than: 
Select and explain. 
A. >1 %, B. >5%, C. >7.5%, D. >10%
B: >5%
Answer: B: >5% 
Explanation: A prevalence of >5% severe and moderate trachoma in children under 10 years is an indication of mass treatment in case of trachoma. Ref: Park 21st edition, page 283.