TABLE 5.

M. tuberculosis CFU numbers in various monkeys at necropsy^a

Monkey	Category	Granulomab		Right lower or middle lungc	Left upper lungc	Left hilar lymph nodec	Right hilar lymph nodec
		no. 1	no. 2
72-00	Active-chronic; advanced disease at necropsy	6.2 × 104	2.2 × 106	2 × 104	8.3 × 103	8.4 × 102	1.2 × 104
112-01	Latent, then severe disease	1.9 × 107	2.8 × 105	3.7 × 104	4.4 × 105	NDd	4.4 × 106
152-00	Active-chronic then resolving	4.8 × 103	0 (all others)	2.6 × 103	0	0	0
146-00	Latent	1.1 × 103	ND	0	0	0	1.5 × 103

^aTissue was homogenized in saline, dilutions were plated on 7H10 plates, and plates were read after 21 to 28 days of incubation at 37°C with 5% CO₂. Data for representative monkeys of each category are shown.

^bCFU in entire granuloma; 1 and 2 refer two different granulomas.

^cCFU per gram of tissue.

^dND, not done.