TABLE 3.
Patient demographic data and characterization of STEC strains in this studya
| Serotype | Age (yr) | Gender | Clinical presentation | stx1/2 | stx subtype(s) |
|---|---|---|---|---|---|
| O157:H7 | 3 | Female | Bloody diarrhea | +/+ | 1a, 2a |
| O157:H7 | 9 | Female | Watery diarrhea | +/+ | 1a, 2a |
| O157:H7 | 18 | Male | Watery diarrhea | +/+ | 1a, 2a |
| O157:H7 | 21 | Male | Watery diarrhea | +/+ | 1a, 2a |
| O157:H7 | 16 | Female | Diarrhea with abdominal pain | +/+ | 1a, 2a |
| O157:H7 and ORough:H7 | 52 | Female | Bloody diarrhea | +/+ and +/+ | 1a, 2a and 1a, 2a |
| O157:H7 | 58 | Female | Bloody diarrhea | +/+ | 1a, 2a |
| O22:H2 | 58 | Female | Bloody diarrhea | +/+ | 1a, 2a |
| O27:H8 and O111:H8 | 20 | Male | Diarrhea for 5 days | +/+ and +/+ | 1a, 2a and 1a, 2a |
| O174:H8 | 76 | Female | Watery diarrhea | +/− | 1c |
| O68:HNM and ORough:HNM | 1 | Female | Diarrhea | −/+ and −/+ | 2c and 2c |
| O145:HNM and O145:H37 | 10 | Male | Bloody diarrhea | −/+ and −/+ | 2a and 2a |
| O121:H19 | 5 | Male | Bloody diarrhea | −/+ | 2a |
| O26:H11 | 2 | Male | No history | +/− | 1a |
| O26:H11 | 72 | Female | Watery diarrhea | +/− | 1a |
| O26:H11 | 1 | Male | Watery diarrhea | +/− | 1a |
| O26:H11 | 2 | Male | No history | +/− | 1a |
| O111:HNM (Salmonella coinfection) | 1 | Male | Diarrhea with fever | +/− | 1a |
| O111:HNM (P. shigelloides coinfection) | 43 | Male | Watery diarrhea, travel to Mexico | +/− | 1a |
| O128ab:H2 | 1 | Female | Bloody diarrhea | +/− | 1a |
a
Note that four patients were positive for two different STEC serotypes, and two patients had coinfections with Salmonella or Plesiomonas shigelloides.