SARS-Cov-2 Has Already Mutated Once
October 26, 2020 12:45 PM Subscribe
It was clear from gene sequencing that D614G had overtaken the "original" variant but wasn't clear whether this was the result of some meaningful difference or statistical anomalies such as "founder effect." Now new research shows that the D614G variant that quickly became dominant in Europe in the Spring is more highly transmissible because it replicates at a higher rate in the upper respiratory tract. The fear in a situation like this is that the virus is unstable and we'll need more than one vaccine, but the good news in this article is that the antibodies appear to be backwards compatible.
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