TABLE 5.

Immunization with hemolysin decreases recovery of H. ducreyi 35000 but not 35000ΔAPC in the temperature-dependent rabbit model

Expt	Recovery of H. ducreyia
	35000			35000ΔAPC
	Control rabbits	Immunized rabbits	P	Control rabbits	Immunized rabbits	P
Aspirates
Expt 1	4/6b	0/6b		0/6b	0/6b
Expt 2	3/4c	0/3b		0/3b	2/3b
Expt 3	2/4c	0/4c		2/4c	1/4c
Total	9/14	0/13	0.0026	2/13	3/13	0.4795
Biopsies
Expt 2	4/4c	2/3b		2/4c	2/3b
Expt 3	5/6b	1/6b		5/6c	5/6b
Total	9/10	3/9	0.0429	7/10	7/9	0.7518
Totald	18/24	3/22	0.0004	9/23	10/22	0.6942

^aNumber of lesions with viable organisms/number of lesions sampled. 

^bLesions sampled were from 10⁵-, 10⁶-, and 10⁷-CFU inocula. 

^cLesions sampled were from 10⁴-, 10⁵-, 10⁶-, and 10⁷-CFU inocula. 

^dAspirates and biopsies combined.