I don’t know what good will come of this discussion, unless all countries are willing to discontinue gain-of-function research if this claim is found to be true. However that’s a lot of “ifs” and there is too much opportunity to simply place blame, which won’t help anyone.
[1] https://www.rootclaim.com/analysis/what-is-the-source-of-cov...
This was the original link
https://www.thelancet.com/journals/laninf/article/PIIS1473-3...
If you Google “lancet ban on gain function” the first link is gone now.