TABLE 2.

Prevalence of Omp50 protein studied by immunodection assays, PCR amplification, and Southern blot anlayses

Strain group	No. of strains with indicated result
	Total	Immunodetection		PCR		Southern blotting
		Positive	Negative	Positive	Negative	Positive	Negative
C. jejuni	39	37	2	37	2	37	2
C. coli	51	5	46	5	46	5	46
C. lari	5	5	0	5	0	5	0
Other strains	9	0	9	0	9	NDa	ND

^aND, not determined.