Health & Nutrition

Know PCR Basics

Not intended for asymptomatic detection

PCR (Polymerase Chain Reaction) was invented by Dr. Kary Mullis, a biochemist who won the Nobel Prize for his invention. He maintained that it should not be used to diagnose any disease alone rather be used as a tool for symptomatic diagnosis.


Part of an interview with Kerry Mullis who unfortunately died suddenly in 2019, just a few months before the pandemic. The full interview can be found here.

This requirement is echoed in the PCR test guidelines provided to the labs by the manufactures; for example:


PCR threshold matter

What is PCR and how it should be used

Short explanation of PCR testing

This from Dr. Sam Bailey; PCR testing, what it is and how it should be used.

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