1. E Mahase. ‘Covid-19: What do we know about “long covid”?’. BMJ. Published online 14 July 2020. 370:m2815. https://www.bmj.com/content/370/bmj.m2815

2. Office for National Statistics. ‘The prevalence of long COVID symptoms and COVID-19 complications’. Last updated: 16 December 2020. https://www.ons.gov.uk/news/statementsandletters/theprevalenceoflongcovidsymptomsandcovid19complications

3. NICE. ‘COVID-19 rapid guideline: managing the long-term effects of COVID-19 (NG188). Evidence reviews 2 and 3: prevalence’. December 2020. https://www.nice.org.uk/guidance/ng188/evidence/evidence-reviews-2-and-3-prevalence-pdf-8957626669

4. NICE. NG188. ‘COVID-19 rapid guideline: managing the long-term effects of COVID-19’. December 18 2020. https://www.nice.org.uk/guidance/ng188

5. NHS England. News. ‘Long COVID patients to get help at more than 60 clinics’. December 18 2020. https://www.england.nhs.uk/2020/12/long-covid-patients-to-get-help-at-more-than-60-clinics/

6. NHS Health A to Z. ‘Long-term effects of coronavirus (long COVID)’. Page last reviewed: 21 January 2021. https://www.nhs.uk/conditions/coronavirus-covid-19/long-term-effects-of-coronavirus-long-covid/

7. BMJ Editorials. ‘NICE guideline on long covid’. BMJ. Published online. December 23 2020. 371:m4938. https://www.bmj.com/content/371/bmj.m4938

8. NICE. Clinical guideline [CG53]. ‘Chronic fatigue syndrome/myalgic encephalomyelitis (or encephalopathy): diagnosis and management’. August 22 2007. https://www.nice.org.uk/guidance/cg53

9. NICE. ‘Statement about graded exercise therapy in the context of COVID-19’. July 2020. https://www.nice.org.uk/guidance/gid-ng10091/documents/statement

10. NICE. In development [GID-NG10091]. ‘Myalgic encephalomyelitis (or encephalopathy)/chronic fatigue syndrome: diagnosis and management’. Expected publication date: April 21 2021. https://www.nice.org.uk/guidance/indevelopment/gid-ng10091

11. NHS Health A to Z. ‘Glandular fever’. Page last reviewed: December 1 2020. https://www.nhs.uk/conditions/glandular-fever/

12. NHS Health A to Z. ‘Chronic fatigue syndrome (CFS/ME)’. Page last reviewed: May 16 2017. https://www.nhs.uk/conditions/chronic-fatigue-syndrome-cfs/

13. NHS Health A to Z. ‘Fibromyalgia’. Page last reviewed: February 20 2019. https://www.nhs.uk/conditions/fibromyalgia/

14. Mayo Clinic. Patient Care & Health Information. Diseases & Conditions. ‘Fibromyalgia’. https://www.mayoclinic.org/diseases-conditions/fibromyalgia/symptoms-causes/syc-20354780

15. NHS Health A to Z. ‘Q fever’. Page last reviewed: January 18 2018. https://www.nhs.uk/conditions/q-fever/

16. CDC. Centers for Disease Control and Prevention. Traveler’s Health. Ross River virus disease. https://wwwnc.cdc.gov/travel/diseases/ross-river-virus-disease

17. World Health Organization, EPI WiN, infodemic Management. Coronavirus update 36. ‘What we know about Long-term effects of COVID-19’. September 9 2020. https://www.who.int/docs/default-source/coronaviruse/risk-comms-updates/update-36-long-term-symptoms.pdf?sfvrsn=5d3789a6_2

18. NHS Health A to Z. ‘Lyme disease’. Page last reviewed: April 27 2018. https://www.nhs.uk/conditions/lyme-disease/

19. I Hickie et al. ‘Post-infective and chronic fatigue syndromes precipitated by viral and non-viral pathogens: prospective cohort study’. BMJ. September 14 2006. 333:575. https://www.bmj.com/content/333/7568/575

20. JG Parish. ‘Early outbreaks of 'epidemic neuromyasthenia'’. Postgrad Med J. 1978 Nov; 54(637): 711–717. https://pmj.bmj.com/content/54/637/711

21. MI Archer. ‘The post-viral syndrome: a review’. J R Coll Gen Pract. 1987 May; 37(298): 212–214. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1710789/

22. British Society for Rheumatology. ‘Briefing: Fibromyalgia’. https://www.rheumatology.org.uk/news-policy/details//Briefing-Fibromyalgia

23. PM Lantos. ‘Chronic Lyme Disease’. Infect Dis Clin North Am. 2015 Jun; 29(2): 325–340. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4477530/

24. S Shor et al. ‘Chronic Lyme Disease: An Evidence-Based Definition by the ILADS Working Group’. Antibiotics 2019, 8(4), 269. https://www.mdpi.com/2079-6382/8/4/269

25. The ME Association. ‘What is ME? Management’. https://meassociation.org.uk/about-what-is-mecfs/management/

26. British Association of CFS/ME (BACME). ‘ME/CFS. Guide to Symptom Management’. October 2020. https://www.bacme.info/sites/bacme.info/files/BACME%20Guide%20to%20Symptom%20Management%20October%202020.pdf

27. National Institute for Health research NIHR. ‘Living with Covid19’. October 15 2020. https://evidence.nihr.ac.uk/themedreview/living-with-covid19/

28. R Khamsi. ‘Rogue antibodies could be driving severe COVID-19’. Nature. January 19 2021. https://www.nature.com/articles/d41586-021-00149-1