[valarauko]

Is there evidence of this?

[Bootvis]

I think it's too early to have evidence of this I think but knowledgeable people seem to have some concerns:

https://www.statnews.com/2021/01/04/britain-takes-a-gamble-w...

That the impact could be huge doesn't take much imagination: We could be back to square 1 with the vaccination process and the evolved virus might be more dangerous.