Table 2.
Distribution of O and H antigen types among NMEC and HFEC strains
| NMEC | HFEC | ||||||
|---|---|---|---|---|---|---|---|
| O Type | No. of Isolates | H Type | No. of Isolates | O Type | No. of Isolates | H Type | No. of Isolates |
| 1 | 9 | 1 | 4 | 7 | 4 | 4 | 1 |
| 2 | 3 | 4 | 6 | 8 | 3 | 5 | 2 |
| 5 | 1 | 5 | 4 | 9 | 2 | 7 | 5 |
| 6 | 2 | 7 | 24 | 10 | 1 | 8 | 2 |
| 7 | 2 | 9 | 1 | 20 | 8 | 11 | 2 |
| 8 | 6 | 10 | 1 | 36 | 1 | 12 | 1 |
| 11 | 1 | 18 | 1 | 38 | 1 | 15 | 3 |
| 15 | 1 | 19 | 3 | 46 | 1 | 18 | 1 |
| 16 | 2 | 27 | 1 | 68 | 3 | 19 | 1 |
| 18 | 7 | 6/41 | 6 | 73 | 1 | 21 | 1 |
| 19 | 1 | POS | 2 | 104 | 2 | 34 | 1 |
| 21 | 1 | 117 | 1 | 39 | 1 | ||
| 25 | 2 | 137 | 1 | 42 | 1 | ||
| 75 | 3 | 146 | 1 | 49 | 1 | ||
| 78 | 1 | 148 | 5 | 53 | 1 | ||
| 92 | 1 | 153 | 1 | 6/41 | 1 | ||
| 107 | 1 | 167 | 2 | 40/44 | 1 | ||
| 12/16 | 2 | 178 | 1 | NEG | 9 | ||
| M | 4 | 91/167 | 2 | POS | 13 | ||
| NEG | 3 | M | 1 | ||||
| NEG | 6 | ||||||
M multiple O types, POS positive fliC PCR amplification but untypeable, NEG negative (no agglutination with O antisera or no fliC PCR amplification)