1. World Health Organization (2023, April 14). Coronavirus Disease (COVID-19) Pandemic. WHO. Available online: https://www.who.int/europe/emergencies/situations/covid-19.
2. Hodgkin, R., and Sasse, T. (2022, September 15). Managing Extreme Risks: How the New Government Can Learn from COVID to be Better Prepared for the Next Crisis, Institute for Government. Available online: https://policycommons.net/artifacts/2619374/managing-extreme-risks/3642039/.
3. Government UK (2022, July 20). COVID-19 Vaccination: A Guide to Booster Vaccination for Individuals Aged 18 Years and over and Those Aged 16 Years and over Who Are at Risk. GOV. UK, Available online: https://www.gov.uk/government/publications/covid-19-vaccination-booster-dose-resources/covid-19-vaccination-a-guide-to-booster-vaccination-for-individuals-aged-18-years-and-over.
4. Healthcare workers’ (HCWs) attitudes and related factors towards COVID-19 vaccination: A rapid systematic review;Li;Postgrad. Med. J.,2021
5. Government UK (2022, August 15). COVID-19 Vaccination First Phase Priority Groups. GOV. UK, Available online: https://www.gov.uk/government/publications/covid-19-vaccination-care-home-and-healthcare-settings-posters/covid-19-vaccination-first-phase-priority-groups.