Kary Mullis, the inventor of the Polymerase Chain Reaction (PCR) technology, got the Nobel prize in chemistry in 1993.

Unfortunately, Mullis passed away last year at the age of 74, but there is no doubt that the biochemist regarded the PCR as inappropriate to detect a viral infection. 

https://off-guardian.org/2020/06/27/covid19-pcr-tests-are-scientifically-meaningless/

The Corona Simulation Machine: Why the Inventor of The “Corona Test” Would Have Warned Us Not To Use It To Detect A Virus

https://uncoverdc.com/2020/04/07/was-the-covid-19-test-meant-to-detect-a-virus/

SARS-CoV-2 RNA (COVID-19) and Influenza A and B, Qualitative NAAT

https://testdirectory.questdiagnostics.com/test/test-detail/31688/sars-cov-2-rna-covid-19-and-influenza-a-and-b-qualitative-naat?cc=MASTER

https://www.childrensmn.org/references/lab/microbioviral/rsv-influenza-a-b-pcr.pdf

https://en.wikipedia.org/wiki/Reverse_transcription_polymerase_chain_reaction