This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is NOT an indicator for Malaria surveillance in a population? \nSelect and explain. \nA. Annual parasite index, B. Annual parasite incidence, C. Annual falciparum incidence, D. Slide falciparum rate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pre-Eradication Era indicators: Spleen Rate : Average Enlarged Spleen Parasite Rate Parasite Density Index Infant Parasite Index Propoional Case Rate Eradication Era indicators: Annual Parasite Incidence (API)-Best indiator of Malaria control. Annual Blood Examination Rate (ABER)-Best indicator of operational efficiency. Annual Falciparum Incidence (AFI) Slide Positivity Rate (SPR) : ) good outbreak indicator. Slide Falciparum Rate (SFR) - Hence option-1 is the answer', 'role': 'assistant'}]