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. 2022 Aug 15;380(2233):20210315. doi: 10.1098/rsta.2021.0315

Figure 4.

Figure 4.

Relative transmissibility of Delta to Alpha variant (top plot) and Alpha variant to variant B.1.177 (bottom plot) across LTLAs for the period 5 May to 12 July 2021 (Delta versus Alpha), and 7 November 2020 to 30 January 2021 (Alpha versus B.1.177). Only LTLAs with transmissibility greater than 50% higher are shown. (Online version in colour.)