1. Coronavirus Disease (COVID-19): Post COVID-19 Condition
https://www.who.int/news-room/questions-and-answers/item/coronavirus-disease-(covid-19)-post-covid-19-condition
2. National Guidance for Post-COVID Syndrome Assessment Clinics
https://c19-yrs.com/nhs-england-national-guidance-for-post-covid-syndrome-assessment-clinics-version-2-april-2021/
3. COVID-19 Impact Inquiry Exploring the Pandemic’s Implications for Health and Health Inequalities
https://www.health.org.uk/what-we-do/a-healthier-uk-population/mobilising-action-for-healthy-lives/covid-19-impact-inquiry?gclid=CjwKCAjw46CVBhB1EiwAgy6M4mE09i8hYBq2nzCRlyledHuHv7aVX3yhmhTejAlGNmYBwVDbzimcohoCZT8QAvD_BwE
4. Prevalence of Ongoing Symptoms following Coronavirus (COVID-19) Infection in the UK–Office for National Statistics;Office of National Statistics (ONS),2022
5. COVID-19 Rapid Guideline: Managing the Long-Term Effects of COVID-19
https://www.nice.org.uk/guidance/ng188