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. 2021 Dec 30;11:24498. doi: 10.1038/s41598-021-04108-8

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© The Author(s) 2021, corrected publication 2022

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Probability of extinction as a function of the number of weeks with no observations of the specific variant. Dashed lines indicate probability levels 0.85, 0.90, and 0.95, respectively. (A) Variation of testing regime for a constant reproduction rate of $R_{0} = 1$ . (B) Variation of restrictions ( $R_{0}$ ) for a constant WGS testing ratio of 0.25. The blue curve in upper plot is the same as the yellow curve in the lower plot.