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
WHO Malaria Mass Drug Administration ? 
Select and explain. 
A. API >5, B. > 2, C. 15, D. 25
B: > 2
Answer: B: > 2 
Explanation: Ans. is 'b' i.e., >2 First you should know what does mass prophylaxis mean in malaria. o In areas with high malaria prevalence, presumptive treatment is given to all people. This is know as mass treatment. Presumptive treatment is given when API is >2 (see above explanation).