Table 3.
Prevalence of stx subtype combinations amongst STEC O157 and the top six non-O157 serogroups, 2014–2018
|
Stx subtype |
N |
% |
|---|---|---|
|
O157 | ||
|
stx1a |
663 |
29 |
|
stx1a stx2a |
582 |
25 |
|
stx1a stx2a stx2c |
507 |
22 |
|
stx1a stx2c |
458 |
20 |
|
stx1c stx2b |
31 |
1 |
|
stx2a |
30 |
1 |
|
stx2a stx2c |
20 |
1 |
|
stx2b |
1 |
0 |
|
stx2c |
1 |
0 |
|
stx2d |
1 |
0 |
|
Total |
2294 |
|
|
O26 | ||
|
stx1a |
138 |
58 |
|
stx1a stx2a |
53 |
22 |
|
stx2a |
40 |
17 |
|
stx2 stx1a |
5 |
2 |
|
stx1a stx2a stx2d |
2 |
1 |
|
stx1a stx2c |
1 |
0 |
|
Total |
239 |
|
|
O146 | ||
|
stx1c |
77 |
46 |
|
stx1c stx2b |
60 |
36 |
|
stx2b |
28 |
17 |
|
stx1c stx2d |
3 |
2 |
|
stx1a |
1 |
1 |
|
Total |
169 |
|
|
O91 | ||
|
stx1a stx2b |
125 |
78 |
|
stx2b |
27 |
17 |
|
stx1a |
3 |
2 |
|
stx1c stx2b |
2 |
1 |
|
stx1a stx1c stx2b |
1 |
1 |
|
stx1a stx2a stx2b |
1 |
1 |
|
stx1c |
1 |
1 |
|
Total |
160 |
|
|
O128 | ||
|
stx1c stx2b |
68 |
64 |
|
stx2b |
27 |
25 |
|
stx1c |
9 |
8 |
|
stx1a |
2 |
2 |
|
stx2d |
1 |
1 |
|
Total |
107 |
|
|
O103 | ||
|
stx1a |
79 |
99 |
|
stx2a |
1 |
1 |
|
Total |
80 |
|
|
O117 | ||
|
stx1a |
50 |
96 |
|
stx1a stx2b |
1 |
2 |
|
stx2b |
1 |
2 |
|
Total |
52 |
|