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
The mass treatment of trachoma is undeaken if the prevalence of severe or moderate trachoma, in children under 10 years, is more than: September 2012 
Select and explain. 
A. 3%, B. 10%, C. 5%, D. 6%
C: 5%
Answer: C: 5% 
Explanation: Ans: C i.e. 5% A prevalence of more than 5% severe and moderate trachoma in children tinder 10 years of age is an indication for mass/ blanket treatment.