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
Early treatment failure in malaria is indicated by all, EXCEPT: 
Select and explain. 
A. Development of danger signs or severe malaria on days 1,2,3 in presence of parasitemia, B. Parasitemia on day 3 >50% of day 1 count, C. Parasitemia on day 3 with temperature >37.5 ? C, D. None of the above
B: Parasitemia on day 3 >50% of day 1 count
Answer: B: Parasitemia on day 3 >50% of day 1 count 
Explanation: Early treatment failure in malaria is defined as: Development of danger signs or severe malaria on days 1,2,3 in presence of parasitemia Parasitemia on day 3 >25% of day 1 count Parasitemia on day 3 with temperature >37.5 ? C Ref: National Health Programmes in India, J.Kishore, 10th edition pg: 365