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Tracing COVID Back to Origin: Many Variant Strains Were Already Present Before the First Known Cases Identified in China – SciTechDaily

New study traces back the progenitor genomes causing COVID-19 and geospatial spread. In the field of molecular epidemiology, the worldwide scientific community…

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The progenitor (proCoV2) virus and its initial descendants arose in China, based on the earliest mutations of proCoV2 and their locations, which were traced back to occur 6-8 weeks prior to the Wuhan China outbreak. Furthermore, the science team also demonstrated that a population of strains with at least three mutational differences (alpha 1-3) from proCoV2 existed at the time of the first detection of COVID-19 cases in China. The current major variants of interest including the UK (B.1.1.1.7),…

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