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. 1999 Feb;37(2):396–399. doi: 10.1128/jcm.37.2.396-399.1999

TABLE 2.

Analysis of discrepant VT phenotyping results between Verotox-F assay and Vero cell assay

No. of strainsa Initial phenotype by Vero cell assayb VT type by Verotox-F assayc Phenotype on repeat testing by Vero cell assayb
1 VT1 VT1 + VT2 VT1 + VT2
2 VT1 + VT2 VT1 VT1
1 VT1 + VT2 VT2 VT2
a

All the strains belonged to serotype O157:H7. 

b

As determined by VT neutralization tests (11, 13, 19). 

c

The same results were obtained by initial and repeat tests.