My theory is that they've been dumping each "variant" of the virus in different locations strategically.

Also there was a story early on (like more then 1 and a half years ago) about someone leaving a mysterious briefcase outside the wet market in Wuhan.

But we'll never really know for sure.

Edit: "China will catch a cold 2010"

https://www.youtube.com/watch?v=QWSs3yu8CKY

My theory is that they've been dumping each "variant" of the virus in different locations strategically.

Also there was a story early on (like more then 1 and a half years ago) about someone leaving a mysterious briefcase outside the wet market in Wuhan.

But we'll never really know for sure.