Health officials are testing for the source of a confirmed E. coli infection suffered by one elementary school student in Monett, while about 60 other students are suffering similar symptoms, the school district said yesterday.

So far, the city water system has come up clean and there is no evidence the infection reported Sunday came from the campus of the Monett Elementary School.

As of yesterday, the department of health had not determined that the source for any of the illnesses was at the school.

Only one child has tested positive for E. coli and stool samples from four others have come back negative, but more are being collected and test results are due back soon.