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': 'In dengue surveillance, indices that are commonly used to monitor Aedes aegypti infection levels are all, EXCEPT: \nSelect and explain. \nA. House index, B. Breteau index, C. Street index, D. Pupae index', 'role': 'user'}, {'content': "Answer: C \nExplanation: House index (Hl): percentage of houses infected with larvae and/or pupae HI = Number of Houses infected/ Number of Houses inspected X100 Container Index (Cl): percentage of water holding containers infected with larvae or pupae. Cl = Number of positive containers/ Number of containers inspected X100 Breteau Index (Bl): number of positive containers per 100 houses inspected Bl = Number of positive containers/ Number of houses inspected X100 Pupae Index (Pl): number of pupae per 100 houses Pl = Number of pupae/ Number of houses inspected X100 Ref: Park's textbook of Preventive and Social Medicine, 21st edition, page-224", 'role': 'assistant'}]