I hate biological weapons. We've been with one for 2.5+ years now.
I've got a theory on this one. All of my own design. Y'all ought to know i like a good conspiracy. I'm running out of those, though, as they're all coming true.
In Wuhan there was a laboratory, recently certified to handle certain pathogens. They were performing gain of function which is a household term now, but wasn't five years ago. The concept is to develop a virus based on projected mutations and alongside that, develop a means to defeat it... once that's discovered the formula is locked away. Maybe it's used? Maybe it isn't.
The kind of research going on there, largely funded by the US, is illegal to perform in the US. You know, sorta like the labs in Ukraine, to bring this full circle.
Here is the theory:
There is a hero or a handful of hero's in Wuhan. They, being part of the development, realized the purpose and set free a variant prior to the full development of the "virus", and when it was still at a point its lethality was in want. Don't get me wrong, a virus with an infection rate over 40% is almost certainly engineered, and covid is north of 90% at least at first- so that part was complete or near so- but the part that kills was behind... these "heros" saw that, and strategically released it allowing people to develop natural immunity and to the point the carpet was ganked from under the entire program.
Vaccines? Don't me started.