TABLE 1.

ELISPOT assay for single-cell IFN-γ release

Group	No.	Medium	Spot-forming cells/106 PBMC
			M. leprae	M. tuberculosis	L-ESAT-6	T-ESAT-6
Leprosy patients	4	4	164	84	88	0
		0	76	180	68	88
		35	280	120	220	180
		26	184	176	252	232
TB patients	3	0	59	160	80	141
		11	10	108	76	43
		20	265	242	90	215
Healthy controls	2	2	0	80	0	0
		0	0	60	0	0