But I’m troubled with exactly this, say you have ten thousands cases with vape lung (covid0). For it to get into 1 variant in wuhan, then 2 with Italy and later usa, it has to pass some sort of bottle event (or what’s it called, when other variants all die out), so that thousands cases either all stopped mutating (very doubtful) or stopped spreading
Variant 1 was not from Wuhan.
https://web.archive.org/web/20200410111500/https://www.cam.ac.uk/research/news/covid-19-genetic-network-analysis-provides-snapshot-of-pandemic-origins
You could call the one in Wuhan variant 2. 1 was in Europe or the US.
But I’m troubled with exactly this, say you have ten thousands cases with vape lung (covid0). For it to get into 1 variant in wuhan, then 2 with Italy and later usa, it has to pass some sort of bottle event (or what’s it called, when other variants all die out), so that thousands cases either all stopped mutating (very doubtful) or stopped spreading
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Variant 1 was not from Wuhan. https://web.archive.org/web/20200410111500/https://www.cam.ac.uk/research/news/covid-19-genetic-network-analysis-provides-snapshot-of-pandemic-origins
You could call the one in Wuhan variant 2. 1 was in Europe or the US.