Originally posted by Unregistered
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Our results provide novel insights into tracing the intermediate natural host of SARS-CoV-2. With population genetic analyses of 103 genomes of SARS-CoV-2, we found that
SARS-CoV-2 viruses evolved into two major types (L and S types), and the two types were
well defined by just two SNPs that show nearly complete linkage across SARS-CoV-2 strains. Although the L type (~70%) was more prevalent than the S type (~30%) in the SARS-CoV-2 viruses we examined, our evolutionary analyses suggested the S type was most likely the more ancient version of SARS-CoV-2. Our results also support the idea that the L type is more aggressive than the S type.
SARS-CoV-2 viruses evolved into two major types (L and S types), and the two types were
well defined by just two SNPs that show nearly complete linkage across SARS-CoV-2 strains. Although the L type (~70%) was more prevalent than the S type (~30%) in the SARS-CoV-2 viruses we examined, our evolutionary analyses suggested the S type was most likely the more ancient version of SARS-CoV-2. Our results also support the idea that the L type is more aggressive than the S type.
.... In summary, our analyses of 103 sequenced SARS-CoV-2 genomes suggest that the L type is more aggressive than the S type and that human interference may have shifted the relative abundance of L and S type soon after the SARS-CoV-2 outbreak. As previously noted [19], the data examined in this study are still very limited, and follow-up analyses of a larger set of data are needed to have a better understanding of the evolution and epidemiology of SARS-CoV-2. There is a strong need for further immediate, comprehensive studies that combine genomic data, epidemiological data, and chart records of the clinical symptoms of patients with SARS-CoV-2.
Can you cons find anything out there that actually addresses covid-19?
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