Table 1. Quantification of fluorescence intensity and calibration of corresponding number of bacilli in Mtb CDC1551 infected rabbit lung sections.

Time post-infection	Pixels (arbitrary units)		Number of bacteria*
	Mean	sem	Mean	sd
8 weeks	797 324.16	108 333.23	6.38	0.87
16 weeks	574 820.59	51 193.07	4.59	0.41
20 weeks	191 863.28	24 384.57	1.54	0.19
24 weeks: no treatment	158 243.41	13 699.53	1.27	0.11
26 weeks: no treatment	143 522.97	15 280.84	1.15	0.12
24 weeks: immunosuppressed	3 609 472.74	737 211.79	18.44	28.53
26 weeks: immunosuppressed	1 490 651.68	166 659.92	11.92	20.85

^*Calculated based on 32 X-Y-Z fields using 1.24±0.46 cm tissue sections.