Volume 18, Number 2—February 2012
Dispatch
Non-O157 Shiga Toxin–producing Escherichia coli Associated with Venison
Joshua M. Rounds
, Carrie E. Rigdon, Levi J. Muhl, Matthew Forstner, Gregory T. Danzeisen, Bonnie S. Koziol, Charlott Taylor, Bryanne T. Shaw, Ginette L. Short, and Kirk Smith
, Carrie E. Rigdon, Levi J. Muhl, Matthew Forstner, Gregory T. Danzeisen, Bonnie S. Koziol, Charlott Taylor, Bryanne T. Shaw, Ginette L. Short, and Kirk Smith
Table 1
Analysis of non-O157 pathogenic Escherichia coli from 6 high school students, Minnesota, USA, November 2010*
| Case-patient no. | stx1 sweep PCR | stx1 isolated colony | hlyA | eaeA | E. coli O103:H2 | E. coli O145:NM | Norovirus genogroup II |
|---|---|---|---|---|---|---|---|
| 1 | + | + | + | + | + | – | – |
| 2 | + | + | + | + | + | – | – |
| 3 | – | – | + | + | – | + | – |
| 4† | + | – | + | + | – | + | + |
| 5‡ | + | – | + | – | – | – | – |
| 6§ | + | – | – | – | – | – | – |
*+, positive; –, negative.
†100 colonies tested; none were stx1 positive, and 5 were hlyA and eaeA positive.
‡122 colonies tested; none were stx1 positive.
§Positive enzyme immunoassay results for Shiga toxin at clinical laboratory; stx1 positive by PCR of submitted broth. Submitted broth failed to grow E. coli colonies.
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