Helping understand what ‘false positives’ in diagnostic testing really mean

We’ve done many videos and substack articles talking about false positives for disgnostic test results and in particular for the covid-19 pcr tests. Unfortunately many people including scientists and top legal scholars and judges still do not really get it. They fail to understand the 'elephant in the room' - the impact of the underlying population infection rate.

This short video hopefully will make it clear to everybody who watches it.

See also https://youtu.be/HMAxrY8Ob9Y for Bayes Theorem