https://phmpt.org/wp-content/uploads/2021/12/STN-125742_0_0-Section-2.7.3-Summary-of-Clinical-Efficacy.pdf
See page 21 of the Efficacy Study. They used the PCR test to confirm a positive COVID diagnosis. PCR was designed using common cold/flu virus because the COVID-19 virus was unavailable.
This STUDY IS USELESS. But it was used to sell you a vaxx that likely didn't work. People in the Vaxxed and Unvaxxed groups in this study may have been infected with a cold or common flu rather than COVID.
Here's the prior post about the PCR tests being developed with common cold/flu virus (NOT COVID 19)
https://poal.co/s/QStorm/504075
(post is archived)