Funding for this research was provided by:
National Institute for Health Research (PDF-2018-11-ST2-006)
Received: 5 March 2021
Accepted: 26 May 2021
First Online: 29 June 2021
: Ethical approval for this research was given by the Independent Scientific and Ethical Committee (ISAC) of the CPRD (reference 20_024RA2). CPRD obtains annual rolling ethical approval (reference number 05/MRE04/87) and no additional ethical approval was required for this project which meets ISAC requirements.
: Not applicable
: DH and MIG report grants on the topic of rotavirus vaccines, outside of the submitted work, from GlaxoSmithKline Biologicals, Sanofi Pasteur and Merck and Co (Kenilworth, NJ, USA) after the closure of Sanofi Pasteur-MSD in December 2016. MIG also reports personal fees for consultancy, outside the submitted work, from GlaxoSmithKline Biologicals. TI and KF have nothing to disclose.