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From: Tim Heider, Clackamas County Public Affairs Manager, (503) 742-5911 11-17-14

Clackamas County

Media and Interested Parties

Staff, student testing for Ecoli at Montessori school is completed

Clackamas County Public Health has completed its investigation into incidents of diarrheal illness caused by E. coli 0157.H7 at the Heart Centered Montessori School in West Linn. Three cases occurred in September and October. Consequently, Clackamas County Public Health and the Oregon State Public Health Laboratory conducted testing of all children and staff at the school to look for undiagnosed infections.

No additional infections were found by testing and no additional illnesses have occurred among school attendees since October. The cause of those illnesses remains undetermined.

For more information please contact Tim Heider at


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