Volume 6, Number 5—October 2000
Dispatch
Prevalence of Non-O157:H7 Shiga Toxin-Producing Escherichia coli in Diarrheal Stool Samples from Nebraska
Table 1
Results of CT-SMAC culture,* enzyme immunoassay, and stx polymerase chain reaction
Laboratory | Isolate | Serotype | CT-SMACa | EIA | PCR |
---|---|---|---|---|---|
A | A1 | O157:H7 | + | + | + |
A2 | O157:H7 | + | + | + | |
A3 | O26:H11 | - | + | + | |
A4 | O157:NM | + | + | + | |
B | B1 | O145:NM | - | + | + |
B2 | O103:H2 | - | + | + | |
B3 | O157:NM | + | - | + | |
C | Not isolated | Not isolated | - | + | + |
D | D1 | O111:NM | - | + | + |
D2 | O111:NM | - | + | + | |
D3 | O157:H7 | + | + | + | |
D4 | O157:H7 | + | + | + | |
E | E1 | Orough:H2 | - | + | + |
E2 | O26:H11 | - | + | + |
a(+) Denotes a positive CT-SMAC culture, EIA or stx PCR; (-) denotes a negative CT-SMAC culture, EIA, or stx PCR; CT-SMAC = cefixime-tellurite sorbitol MacConkey agar; EIA = enzyme immunoassay; PCR = polymerase chain reaction.