Data sharing statement
Will individual participant data be available?	Yes, in anonymised form
What data in particular will be shared?	Individual participant data that underlie the results reported in this article, after de-identification. Sequences and de-identified metadata is available on MRC-CLIMB through COG-UK. Sequences are also available on GISAID.
What other documents will be available?	Study protocol, statistical analysis, analytic code
When will data be available?	Immediately following publication, no end date
With whom?	Researchers who provide a methodologically sound proposal
For what types of analysis?	To achieve aims in the approved proposal
By what mechanism will data be made available?	Proposals should be directed to contact@cogconsortium.uk (Statement from COG-UK consortium: “We are committed to open science, and sharing all data that we can as rapidly as possible. This includes sharing data for use by Public Health authorities internationally, to support COVID-19 response, and sharing data in such a way that the academic community can access and use the data and analysis according to FAIR data principles.”)