Modified techniques for the fluorescent leprosy antibody absorption (FLA-ABS) test and the enzyme-linked immunosorbent assay (ELISA) using phenolic glycolipid-l (PG) antigen of M. leprae were employed for detecting anti-M. /eprae antibodies in sera and saliva from the patients with leprosy , household contacts and inhabitants in leprosy endemic areas . The FLA-ABS test with saliva was positive ...
