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. 2022 Feb 14;8(1):veac010. doi: 10.1093/ve/veac010

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© The Author(s) 2022. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 4. — The COVID-19 pandemic waves in early 2021 and the expansion of the B.1.1.7 in the Czech Republic. (A) 7-day incidence rate per 100,000 inhabitants in the Czech Republic. (B) B.1.1.7 proportion of sequenced cases in the Czech Republic in each week, starting from the week 1st–7th December 2020. The B.1.1.7 lineage rose rapidly in early 2021, replacing the majority of other lineages (shown as the white blank space) present during this time period. (C) The ratio of the B.1.1.7_S sub-lineage to all B.1.1.7 in each week, starting from the first week when B.1.1.7 was detected.