Funding for this research was provided by:
NIHR Health Protection Research Unit (HPRU) in Behavioural Science and Evaluation
NIHR Health Protection Research Unit (HPRU) in Emergency Preparedness and Response
Received: 18 January 2022
Accepted: 11 April 2022
First Online: 26 April 2022
: Ethical approval for this study was granted by UK Health Security Agency’s (formerly Public Health England) Research Ethics and Governance Group (ref R&D 434). All participants provided informed consent to participate. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they do not have any conflict of interest.