TABLE 2.

MAbs recognize all strains of H. ducreyi, as determined by capture ELISA

MAb	Optical density				No. Positive/no. testedc
	35000a	FX504b	Meand	Ranged
1.51	2.05	−0.094	2.15	1.77-2.56	26/26
4.23	0.62	0.005	0.43	0.05-1.23	25/26e
4.65	1.37	−0.045	1.39	0.57-2.59	26/26
6.18	2.28	0.004	2.36	1.64-2.73	26/26

^aPositive control strain 35000.

^bNegative control strain FX504.

^cThreshold for a positive result, 0.005.

^dMean and range for 26 experimental H. ducreyi strains.

^eIsolate 112 was the only strain not recognized by MAb 4.23.