Funding for this research was provided by:
National Institute for Health Research (039/0031)
Received: 21 January 2021
Accepted: 11 May 2021
First Online: 8 June 2021
: The study was approved by the MHRA, NHS Health Research Authority and City & East Research Ethics Committee (14/LO/0141). All participants provided informed written consent.
: Not applicable
: CEJ, AC, AK and PTH have conducted studies on behalf of St George’s, University of London and the University of Southampton and University Hospital Southampton NHS Foundation Trust (CEJ) funded by vaccine manufacturers, including Novavax and GlaxoSmithKline within the last 3 years, but receive no personal funding from these sources.