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Huge mountain chains associated with major evolutionary changes.
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[QUOTE="jim mcnamara, post: 6595993, member: 35824"] [USER=581757]@BillTre[/USER] FWIW - slow is not always true. Open access: [URL]https://www.sciencedirect.com/science/article/pii/S1673852721003738[/URL] Evidence for a mouse origin of the SARS-CoV-2 Omicron variant Changshuo Weiab Ke-Jia Shanab Weiguang Wangab ShuyaZhangab Qing Huana Wenfeng Qian Evolutionary changes may also be "spurts". The Omicron paper above makes a case for very rapid evolutionary changes during the possible zoonotic transformation Human->mouse->Human. Paper claims ~6 times faster genetic change than is documented in the rest of the genetic tree assemblage of the Covid virus. And. Be a little cautious about the paper, there are other hypotheses like 'Covid spent a long time in a single immunocompromised patient, constantly changing' - who then spread the mutated virus to others. The mouse idea is fun to think about. I've been told that 40% of all living mammals are mice and rats. So how could you ever find the problem mouse population? It would take an awful lot of cheese to track down all of them :smile: [/QUOTE]
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