Dr. Richard Fleming explains history of SARS-Cov-2 / gain of function research
LONG VIDEO 4hrs, 33min

https://thehighwire.com/videos/live-from-event-2021-in-dallas-tx/
4 hours, 32 minutes

Excellent presentation, have watched just the first 45 mins so far.

This post just covers his summary on gain of function research in US and China.

Explains how HIV got combined with corona viruses ~27min