Rapid displacement of SARS-CoV-2 variant B.1.1.7 by B.1.617.2 and P.1 in the United States – medRxiv   Commentary on Twitter ???Preprint?B.1.617.2 Delta and P.1 are growing faster than B.1.1.7 & B.1.617.2 is growing faster than P.1 in the US?B.1.617.2 will soon be the dominant variant in the US?B.1.617.2 is growing more rapidly in counties with […]

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