1. World Health Organisation. WHO Coronavirus (COVID-19) Dashboard with Vaccination Data. WHO, Geneva, 2023. Accessed 06/06/2023.
2. World Health Organisation, 14.9 million excess deaths associated with the COVID-19 pandemic in 2020 and 2021. News Release, 5 May. WHO Geneva, 2022. Accessed 06/06/2023.
3. Long COVID: major findings, mechanisms and recommendations;Davis;Nat Rev Microbiol,2023
4. United Kingdom. UK Biological Security Strategy. Crown Copyright, London. 2018, p. 9.
5. BBC. Covid: Top Chinese scientist says don’t rule out a lab leak. BBC News, 2023. 30/05/2023.