https://www.sciencefocus.com/news/coronavirus-aggressive-l-t...
https://www.biospace.com/article/mutated-covid-19-viral-stra...
There are two labs in Wuhan. The institute of virology, and the wuhan CDC. The institute of virology is 12 km from where the virus started spreading. The CDC lab -which does not study viruses- was the one at the center of the spread.
The amount of bullshit associated with the origins of the virus is embarrassing. It would be one thing if it was planted propaganda- there are obvious lies and embellishments, but the sheer number of mistranslations, misunderstandings, and hilariously implausible theories taken as fact is insane. Potholer54 did a rather methodical takedown: https://www.youtube.com/watch?v=ab-r0capbzk