BCG antigen was also positive in all the 20 multibacillary leprosy cases, 28/30 paucibacillary leprosy cases, 8/9 other mycobacterial or fungal cases, negtive in the 10 non-infectious cases.

Acid-fast staining was positive in all the 20 multibacillary leprosy cases, 18/30 paucibacillary leprosy cases, 7/9 other mycobacterial or fungal cases, negative in all the 10 non-infectious cases.