Careful which Cambridge you are on about. I take you are referring to Cambridge MA, US and not Cambridge, Cambridgeshire off of England, UK.

I'll note that COVID-19 "broke out" in Wuhan a city which has a virology laboratory nearby - the Wuhan Institute of Virology, who perform research on viruses.

I'm sure that is completely incidental to the pandemic of 2020-21. Clearly, some rather nasty live food markets are to blame.

It wasn't your numpties wot did it then, it was another lot that time!

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There’s no evidence that Covid started in wuhan. The wet market was ruled out.