Just HOW did this happen?

[MilkTrayLimeBarrel]

Just that really - how on earth did this thing get out and wreak such havoc on our world. It is so unfathomably sad.

Couple of different theories here www.biospace.com/article/stop-the-conspiracy-theories-novel-coronavirus-has-natural-origin/
Basically it's possible the virus wasn't pathogenic originally and developed in it's host (humans) or there may be an as yet unknown intermediary host.