Dose of DDT for effective control of mosquitoes is –
Correct Answer: 1-2 g/m2
Description: DDT: DDT is an indoor residual spray DDT is the insecticide of choice and dosage of 1-2 grams of pure DDT per sq.metre are applied 1-3 times a year to walls and other surfaces where mosquitoes rest. Duration of effectiveness is 6 to 12 months Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 833
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Social & Preventive Medicine
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