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Volume 18, Number 2—February 2012

Dispatch

Non-O157 Shiga Toxin–producing Escherichia coli Associated with Venison

Joshua M. RoundsComments to Author , Carrie E. Rigdon, Levi J. Muhl, Matthew Forstner, Gregory T. Danzeisen, Bonnie S. Koziol, Charlott Taylor, Bryanne T. Shaw, Ginette L. Short, and Kirk E. Smith
Author affiliations: Minnesota Department of Health, St. Paul, Minnesota, USA (J.M. Rounds, B.S. Koziol, C. Taylor, G.L. Short, K.E. Smith); Minnesota Department of Agriculture, St. Paul USA (C.E. Rigdon, L.J. Muhl, M. Forstner, G.T. Danzeisen, B.T. Shaw)

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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‡ + +
+

*+, 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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