Determining international spread of novel B.1.1.523 SARS-CoV-2 lineage
medRxiv(2021)
摘要
Here we report the emergence of variant lineage B.1.1.523 that contains a set of mutations including 156_158del, E484K and S494P in Spike protein. E484K and S494P are known to significantly reduce SARS-CoV-2 neutralization by convalescent and vaccinee sera and are considered as mutations of concern. Lineage B.1.1.523 has presumably originated in Russian Federation and spread across European countries with the peak of transmission in April / May 2021. The B.1.1.523 lineage has now been reported from 27 countries.
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关键词
international spread,sars-cov
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