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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Cyclo propagative means:
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The correct answer is  Ref: Park 'Textbook of Preventive and Social Medicine', 22nd edition.Explanation:Biological transmission PropagativeOnly multiplication, eg - plague bacilli in flea, dengue virus in mosquitoCyclo developmentalOnly development eg- filariai parasite in mosquitoCylco propagativeMultiplication and development eg. malarial parasite in mosquito* Cylco - development cycle* Propagative - multiplication