Because of possible exposure during the past five years to HIV and hepatitis B and C, more than 1,500 patients at the Dean Clinic in Madison, Wisconsin, have been tested for the viruses, reports. The potential exposures occurred between 2006 and 2011, stemming from a diabetes nurse educator’s improper reuse of the handles of insulin demonstration pens and finger stick devices. Test results have not yet been released. Testing is still ongoing and will continue until February 2012.

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