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
[{'content': 'All of the following factors contribute to Resurgence of malaria, Except- \nSelect and explain. \nA. Drug resistance in host, B. Drug resistance in parasite, C. Insecticide resistance in vectors, D. Antigenic variations in parasite', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Drug resistance in host Factors contributing to resurgence of malaria o Increasing insecticide resistance in the vector o Increasing and often multiple drug resistance in the parasite o Increasing instability in populations with large & unpredictable population migration Urbanization and formation of new slums Movement of reference population Travel by non-immune expaities o Increasing atmospheric carbon accumulation increasing the climatic suitability for transmission. o Deteriorating public health system in endemic countries. o Diversion offund.s/Inadequate funding for malaria control o Several environmental factors including cultivated land, irrigation intensity, cropping intensity, rainfall, construction and repair of canals & roads, shallow eah wells, ponds flooded fields etc.", 'role': 'assistant'}]