There are now four Hays Med patients who have tested positive for hepatitis C.  The most recent report was released Friday by the Kansas Department of Health and Environment.

The patients are believed to have been exposed to hepatitis C by by David Kwiatkowski, a former contract worker at the hospital.   Kwiatkowski worked in the catheterization lab from May 24, 2010, to Sept. 22, 2010.  He was arrested July 19 in New Hampshire.

Kwiatkowski is charged with stealing drugs from Exeter Hospital and contaminating syringes that were used on patients, of whom at least 32 tested positive for hepatitis C (HCV).