Participants with long COVID-19 criteria (3-12 months after the diagnosis of SARS-Cov-2 infection, continue to have signs and symptoms not explainable by other causes) in accordance with the guideline of the National Institute for Health and Care Excellence (NICE), Scottish Intercollegiate Guidelines Network (SIGN) and Royal College of General Practitioners (RCGP)

Participants with long COVID-19 criteria (3-12 months after the diagnosis of SARS-Cov-2 infection, continue to have signs and symptoms not explainable by other causes) in accordance with the guideline of the National Institute for Health and Care Excellence (NICE), Scottish Intercollegiate Guidelines Network (SIGN) and Royal College of General Practitioners (RCGP)