<prompt> The screening method of choice in area where the prevalence of leprosy is 11000 is -Contact surveyGroup surveyMass surveyAny of the above  <response>: Contact survey is done in areas where prevalence of leprosy is generally low ie less than 1 case per 1000 population. Group survey when prevalence is 1 in 1000 Mass survey is done in hyperendemic area where prevalence is about 10 or more per 1000 population Reference; Park;s Textbook of preventive and social medicine, 24th edition.Pg no. 339 