<prompt> SET centres are established if prevalence leprosy is0.51 10001551010  <response>: Survey Education and Treatment SET Centre Was advised where prevalence was 1-5 per 1000.A SET Centre is attached with: PHC in rural areaAdministrative control: Medical Officer PHCPopulation catered: 20,000 25,000Staff One paramedical workerFunctions:Detection of cases early by house-to-house surveyHealth education about leprosyFree treatment of all cases and follow-upContact tracing and their chemoprophylaxis with Dapsone 