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by brianpan
2254 days ago
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Covid-19 mutates about 2x a month. https://bedford.io/blog/ncov-cryptic-transmission/ This doesn't mean the virus has changed enough for your body to not recognize it. But it can be used to map transmission chains. We know where Covid-19 started, but scientists have also used mutation rates to correct our understanding of when HIV jumped to humans. |
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There are numerous reports of Italy’s search for patient zero pointing to it being there before China.
“ Remuzzi says he is now hearing information about it from general practitioners. "They remember having seen very strange pneumonia, very severe, particularly in old people in December and even November," he says. "This means that the virus was circulating, at least in [the northern region of] Lombardy and before we were aware of this outbreak occurring in China."”
https://www.npr.org/2020/03/19/817974987/every-single-indivi...