Study registration: *
Publication Chadeau-Hyam M, medRxiv, 2021
Dates: 2020-12-01 to 2021-09-27
Funding: Public/non profit (The Department of Health and Social Care in England, the COVID-19 Genomics UK (COG-UK) Consortium funded sequencing)
Conflict of interest: no COI (We declare no competing interests.)