I'm not disagreeing with you yet that is a slippery slope to go down.
Bio weaponry is nothing new, remember the Seige of Caffa? 13th Century Crimea which could be argued is how the bubonic Plague began, Mongols would catapult dead diseased bodies at the Tartars across the fortified walls causing infection within their population however the Mongols were also infected by the Seige, spreading it from the Caffa port thru Constantinople, thru to Italian ports and so on.
Unit 731 is also an interesting part of tactical pathogenic history to go down if one feels inclined. (curious recently Shinzo Abe photo op sitting in a P 4 jet with those exact numbers)
Doesn't Wuhan have a BSL-4 lab? Dealing with
The world's most lethal pathogens on earth?
I would say 80% online is disinfo/misinfo on this, Their are so many moving parts to all this, tough to say really where to pull the thread. There is some speculation (I'll have to find the source) that CV19 was modified with HIV proteins speculated by University of New Delhi and Institute of Technology lab findings. As
@Disrupt said its closing the barn door after the cows out at this point.