Needle bungle prompts call for diabetes test changes

I'm not sure how this could happen. Who was conducting the tests? I don't buy that the directions with the machine were unclear. Surely if a typical patient can figure it out a pharmacy staff member should be able to as well.

From CBC News:
The public health authority in Quebec's Chaudière-Appalaches region wants changes made to the province's diabetes detection program after 150 people were tested with shared needles at a grocery store in Thetford Mines.

Public health officials are tracking down people who took the test to administer HIV and hepatitis B and C tests as a precaution after they discovered the device used wasn't working as expected. ...more