TABLE 2.
Detection of anti-Stx2 IgG and/or anti-Stx1 IgG in correlation to stx genes from STEC O157 and non-O157 isolatesa
| Isolate and antibody detected | No. of patients with genotype
|
|||
|---|---|---|---|---|
| stx2 | stx1 | stx2 and stx1 | stx2c | |
| STEC O157 | 34b | 1 | 4 | 0 |
| Anti-Stx2 IgG | 22 | 0 | 2 | 0 |
| Anti-Stx1 IgG | 0 | 0 | 0 | 0 |
| Anti-Stx2 and anti-Stx1 IgG | 1 | 0 | 2 | 0 |
| STEC non-O157 | 8 | 3 | 2 | 1 |
| Anti-Stx2 IgG | 5 | 0 | 1 | 0 |
| Anti-Stx1 IgG | 0 | 1 | 0 | 0 |
| Anti-Stx2 and anti-Stx1 IgG | 1c | 1 | 0 | 0 |
| Anti-Stx IgG Total | 29/42 | 2/4 | 5/6 | 0/1 |
a
Cumulative results of anti-Stx2 and anti-Stx1 IgG in acute- and convalescent-phase sera are shown.
b
Two patients without antibodies against Stx2 also harbored the stx2c genotype in stools.
c
This patient, showing anti-Stx2 and anti-Stx1 IgG in serum samples, harbored stx2 plus stx2c in stool specimens.