Table 3. Lung weight and number ofC. trachomatis MoPn IFU recovered from the lungs following the i.n. challenge.

Vaccine	Lung weight (gr.; mean ± SE)	No. IFU lung culture Median (range) × (106)
nMOMP + CTB-CpG	0.30 ± 0.01 a, b	1.63 (0.67-21.06)d,e
nMOMP + CT + CpG ODN	0.27 ± 0.03c	1.32 (0.02-11.77)f
Ovalbumin + CTB-CpG	0.33 ± 0.01	55.45 (1.30-181.72)
Ovalbumin + CT + CpG ODN	0.35 ± 0.01	55.34 (15.07-192.05)
C. trachomatis	0.22 ± 0.01	<0.00005

^ap > 0.05 as determined by the Student t test for the comparison with the group immunized with nMOMP + CT + CpG ODN

^bp < 0.05 as determined by the Student t test for the comparison with the group immunized with ovalbumin + CTB-CpG

^cp < 0.05 as determined by the Student t test for the comparison with the group immunized with ovalbumin + CT + CpG ODN

^dp > 0.05 as determined by the Mann Whitney U-test for the comparison with the group immunized with nMOMP + CT + CpG ODN

^ep < 0.05 as determined by the Mann Whitney U-test for the comparison with the group immunized with ovalbumin + CTB-CpG

^fp < 0.05 as determined by the Mann Whitney U-test for the comparison with the group immunized with ovalbumin + CT + CpG ODN