Social & Preventive Medicine Which one of the following statements about leprosy is true? A Group surves for case detection are carried out when prevalence of leprosy is less than 1 per 1000 B For determining the bacteriological index, ++ in a smear indicates 2 bacilli in every field C Minimum duration of treatment for paucibacillary cases is for 9 months D Minimum duration of treatment for multibacillary case is for 12 months 💡 Explanation Which one of the following statements about leprosy is true? ✓ Correct Answer: D. Minimum duration of treatment for multibacillary case is for 12 months