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
Which of the following is not monitored in malaria surveillence now - 
Select and explain. 
A. ABER, B. Infant parasite rate, C. Annual parasite incidence, D. Slide positivity rate
B: Infant parasite rate
Answer: B: Infant parasite rate 
Explanation: <p> Infant parasite rate is not used now in Malaria surveillance . It was used in pre eradication era for malaria surveillance. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:261. <\p>