Delta spike P681R mutation enhances SARS-CoV-2 fitness over Alpha variant.
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bioRxiv [Preprint]. 2021 Sep 5:2021.08.12.456173. doi: 10.1101/2021.08.12.456173.
bioRxiv. 2021.
PMID: 34462752
Free PMC article.
Updated.
Preprint.