<prompt> All are true about leprosy except -.2 mean 2 bacilli in 2 smearAt least 7 smear examinedPaucibacillary bacterial index 2Multi bacillary bacterial index grater than or equal to 2  <response>: 2 means 1-10 bacilli, on average, in 10 oil immersion field. Reference; Park;s Textbook of preventive and social medicine, 24th edition.Pg no. 337 