TABLE 2.
Aerosol experiments with log-phase or frozen-thawed M. tuberculosis Erdman
| Expt no. | Type | No. of rabbits | Avg no. of inhaled bacilli (log10 inhaled) | Mean no. of tubercles ± SE | Mean tubercle diameter (mm) ± SE | No. of bacilli inhaled/tubercle | Response to old tuberculin (mm3) |
|---|---|---|---|---|---|---|---|
| 8b | Frozen | 6 | 1,231,670 (6.09) | 353 ± 60 | 1.74 ± 0.11 | 3,489 | 641 ± 180 |
| 11 | Frozen | 6 | 113,830 (5.06) | 135 ± 23 | 2.77 ± 0.28 | 843 | 740 ± 180 |
| 7 | Log | 6 | 309,330 (5.49) | 374 ± 97 | 1.93 ± 0.13 | 827 | 695 ± 222 |
| 8a and 9 | Log | 12 | 63,670 (4.80) | 152 ± 29 | 1.51 ± 0.08 | 419 | 1,133 ± 180 |