Mosquito borne diseases are an important cause of morbidity and mortality. Personal protective measures (PPM) been advocated as an effective tool in protection from mosquito bite. There is paucity of information about the extent of use, cost, side effects and perception of people about personal protective measures against mosquitoes. A community based cross sectional study was conducted in Delhi using a pre tested semi structured questionnaire to assess the knowledge, usage, reasons for usage/non-usage including side effects and average monthly family expenditure on personal protective...