Table 1.
Summary of identified Shigella and EIEC clusters and outliers in the identification dataset
|
Clusters (no. of serotypes)* |
No. of isolates |
No. of STs |
No. of rSTs |
Serotypes |
|---|---|---|---|---|
|
C1 (25) |
288 |
36 |
166 |
SB1–4, SB6, SB8, SB10, SB14, SB18, SB11†, SB19–20†; SD3–7, SD9, SD11–13, SD14–15†, SD96-26b†; SF6 |
|
C2 (9) |
101 |
19 |
56 |
SB5, SB7, SB9, SB11, SB15, SB16, SB17; SD2, SD-E670-74†; SD2 |
|
C3 (20) |
744 |
81 |
437 |
SF1a, SF1b, SF1c (7 a), SF2a, SF2b, SF3a, SF3b, SF4a, SF4av, SF4b, SF4bv, SF5a, SF5b, SF7b, SFX, SFXv (4 c), SFY, SFYv, SF novel serotype; SB-E1621-54† |
|
C4 (9) |
51 |
6 |
21 |
O28ac:H-, O28ac:H7, O136:H7, O164:H-, O164:H7, O29:H4, O173:H7, O124:H7, O132:H7† |
|
C5 (6) |
62 |
4 |
15 |
O121:H30, O124:H30, O164:H30, O132:H21, O152:H30, O152:H- |
|
C6 (3) |
20 |
2 |
6 |
O143:H26, O167:H26, O112ac:H26† |
|
C7 |
10 |
1 |
3 |
O144:H25 |
|
C8‡ |
12 |
2 |
1 |
O96:H19 |
|
C9‡ |
4 |
1 |
2 |
O8:H19 |
|
C10‡ |
2 |
1 |
1 |
O135:H30 |
|
CSS |
427 |
39 |
294 |
|
|
CSD1 |
70 |
8 |
56 |
SD1 |
|
CSD8 |
7 |
3 |
3 |
SD8 |
|
CSD10 |
2 |
2 |
1 |
SD10 |
|
CSB12‡ |
8 |
2 |
6 |
SB12 |
|
CSB13 |
7 |
3 |
3 |
SB13 |
|
CSB13-atypical‡ |
5 |
3 |
3 |
SB13 |
|
Sporadic EIEC lineages‡ [53] |
59 |
49 |
53 |
53 antigen types |
*Numbers in parentheses are the number of serotypes within that cluster.
†Serotypes were inconsistent with previous analyses.
‡Clusters identified as new clusters in this study.