training module for medical officers primary health centre - NVBDCP

Adherence to the specified criteria of the insecticideUse of well maintained equipmentCorrect application procedurePublic acceptance of sprayingAdequately trained personnelEffective supervision.Spray operations should take place approximately one month before the start of the potential seasonalincrease in incidence. In India, the peak transmission season(s) are usually determined by rainfall.Advance spray programmeInvolvement of Panchayats is essential for successful IRS. Panchayats / village / local bodies / villageheads / Block Development Officers / Mahila Mandals, religious groups etc., are to be informed aboutspray schedule at least a month before the spray. This advance information must be given by so as tofacilitate the villagers to extend full cooperation in getting the spray inside their dwellings with theobjective of full coverage of targeted population. The MPHWs/ASHA/community volunteer should informthe same to the community members 15 days in advance and remind them again 3 days before theactual spray date.Target surfacesGenerally, all the interior walls and ceilings are treated. In addition to permanent human dwellings, fieldhuts where people sleep during the planting or harvesting season should be sprayed. The underside offurniture, back of the doors, outside eaves and porches must be treated. Human dwellings and mixeddwellings should be sprayed, but not cattle sheds, with a view to conserve insecticide, improvecoverage of human dwellings and prevent diversion of mosquitoes from cattle sheds to humandwellings.Supervision of IRSSupervision of spray operations is important to ensure that operations are carried out according tocorrect technical procedures and corrective action is taken to achieve the programme goals.Supervision will be carried out through MPHWs and health supervisors; supervison will be bothconcurrent and consecutive.Concurrent supervisionThe following should be checked during such inspections:Date of advance notification and the maintenance of time table for spray operationsTurn out of spray crewNozzle tip discharge rateConditions of spray pumpsPreparation of insecticide suspensionActual spraying operation including the technique, speed and coverage etc.Extent of refusal to accept spray and the numbers and percentage of locked housesMaintenance of spray records73