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[Preprint]. 2021 Aug 4:2021.02.23.21252259. Originally published 2021 Feb 25. [Version 4] doi: 10.1101/2021.02.23.21252259

PMC7924303.1; 2021 Feb 25
PMC7924303.2; 2021 Apr 15
PMC7924303.3; 2021 Jun 12
PMC7924303.4; 2021 Aug 4

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Extended Data Figure 4. — Daily state-level frequencies of B.1.526 (in yellow) and B.1.1.7 (in blue), based on GISAID data downloaded on June 6, 2021, were used to plot 7-day sliding window averages of the prevalence of each lineage (shown as dots in the figure). A 4-parameter multinomial logistic regression model was fit directly to the observation data, in which both B.1.1.7 and B.1.526 have parameters specified for frequency at day 0 (January 1, 2021) and logistic growth rate (shown as lines in the figure). States are ordered according to frequency of B.1.526 at the final timepoint of May 8, 2021.