Source
Nuffield Trust analysis of cases by specimen date from 1 March 2020 to 1 October 2021 (downloaded on 11 October 2021 from https://coronavirus.data.gov.uk/details/download)
Nuffield Trust analysis of cases by specimen date from 1 March 2020 to 1 October 2021 (downloaded on 11 October 2021 from https://coronavirus.data.gov.uk/details/download)
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