The 'job ads' from the Wuhan Virology Lab are enlightening. Dissapeared (most likely dead) bat researcher (& assistants?) contaminated with biological material - the start of all this.
Conspiracy or Cock-up?
More often than not, it's cock-up.

I was going down the bioweapon & conspiracy path...
But why do we have/need these P3 & P4 "animal research labs" anyway? often links to military
Makes you wonder if they didn't exist, would we have had Ebola, Anthrax, BSE, Swine Flu, Bird Flu, etc.
Nukes just damage too much...