The inventor of the PCR test says with amplification it can pick up almost any molecule in the body

 

I have heard these words ascribed to the inventor of the PCR test (aka. "cove-19 test") but I have never heard them from his own lips.  Here the late Kary Mullis describes how they can potentially find any molecule with the testing.

The late Kary Mullis on the 

PCR test that he invented