PCR Inventor Kary Mullis says Technique Should not be used as a tool in “the diagnosis of infections

PCR for diagnosis is a big problem. When you have to amplify it these huge numbers of time, it’s going to generate massive amounts of false positives. Again, I’m skeptical that a PCR test is ever true.”

Kary Mullis, dead at 74 The guy who invented PCR has died. That's an absolutely, utterly essential innovation that revolutionized molecular biology, but strangely, his death has gotten virtually no press. That link takes you to a newspaper that highlights the fact that he graduated from a local high school.