Table 1 Comparison of O-serogroups and virotypes of 114 Escherichia coli isolates from diarrheic pigs and patients in Korea
O-serogroup Virotype | No. (%) of pathogenic E. coli isolates | ||
|---|---|---|---|
Swine (n = 64) | Patients (n = 50) | Total (n = 114) | |
O149 | 28 (43.8%) | 0 (0.0%) | 28 (24.6%)**1) |
  F4:LT:STb:EAST-I | 20 | – | 20 |
  F18:Stx2e | 3 | – | 3 |
  F18:AIDA-I:Stx2:Stx2e | 2 | – | 2 |
  F18:Stx2:Stx2e | 2 | – | 2 |
  F18:AIDA-I:Stx2e | 1 | – | 1 |
O139 | 13 (20.3%) | 0 (0.0%) | 13 (11.4%)** |
  F18:AIDA-I:Stx2e | 13 | – | 13 |
O157 | 2 (3.1%) | 6 (12.0%) | 8 (7.0%) |
  F4:LT:STb:EAST1 | 2 | – | 2 |
  stx1:stx2 | – | 3 | 3 |
  stx2 | – | 2 | 2 |
  stx1 | – | 1 | 1 |
O26 | 0 (0.0%) | 4 (8.0%) | 4 (3.5%)* |
  stx1:stx2 | – | 2 | 2 |
  stx1 | – | 1 | 1 |
  stx1:eaeA | – | 1 | 1 |
O25 | 0 (0.0%) | 4 (8.0%) | 4 (3.5%)* |
  LT | – | 3 | 3 |
stx1 | – | 1 | 1 |
O104 | 0 (0.0%) | 4 (8.0%) | 4 (3.5%)* |
  stx2:aggR | – | 2 | 2 |
  stx1 | – | 1 | 1 |
  stx2 | – | 1 | 1 |
O159 | 0 (0.0%) | 4 (8.0%) | 4 (3.5%)* |
  ST | – | 3 | 3 |
  stx1:stx2 | – | 1 | 1 |
O_UT2) | 7 (10.9%) | 11 (22.0%) | 18 (15.8%) |
  F18:Stx2:Stx2e:EAST-I | 4 | – | 4 |
  AggR | – | 3 | 3 |
  stx1:stx2 | – | 3 | 3 |
  stx1 | – | 2 | 2 |
  F18:Stx2:Stx2e | 2 | – | 2 |
  stx2 | – | 1 | 1 |
  ipaH | – | 1 | 1 |
  F18:Stx2e:EAST-I | 1 | – | 1 |
  −3) | – | 1 | 1 |
Others4) | 14 (21.9%) | 17 (34.0%) | 31 (27.2%) |