New studies agree that animals sold at Wuhan market are most likely what started Covid-19 pandemic – METRO

“Now, I realize it sounds like I just said that a once-in-a-generation event happened twice in short succession, and pandemics are indeed rare, but once all the conditions are in place — that is a zoonotic virus capable of both human infection and human transmission that is in close proximity to humans — the barriers to spillover have been lowered such that multiple introductions, we believe, should actually be expected,” Wertheim said.