- have active symptoms of covid-19 infection - diagnosed with covid-19 with a positive pcr test in the past 3 months - positive sars-cov-2 rapid antibody igg test - positive pregnancy test - known to have immunodeficiency disease - are taking immunosuppresive drugs and/or corticosteroids in the long term - have a condition requiring oxygen supplementation - previously diagnosed with invasive cancer and receiving anti-cancer therapy in addition to hormonal therapy for breast or prostate cancer - history of thromboembolism or genetic predisposition to thromboembolism, or being on anti-thromboembolic therapy other than low-dose aspirin - physical or mental disability that prevents you from carrying out normal daily activities - in the investigator's judgement, have illnesses or medical conditions that could preclude participation - excessive obesity: bmi > 40 - uncontrolled hypertension: systolic > 180, diastolic > 100 - not willing to sign written consent

- have active symptoms of covid-19 infection - diagnosed with covid-19 with a positive pcr test in the past 3 months - positive sars-cov-2 rapid antibody igg test - positive pregnancy test - known to have immunodeficiency disease - are taking immunosuppresive drugs and/or corticosteroids in the long term - have a condition requiring oxygen supplementation - previously diagnosed with invasive cancer and receiving anti-cancer therapy in addition to hormonal therapy for breast or prostate cancer - history of thromboembolism or genetic predisposition to thromboembolism, or being on anti-thromboembolic therapy other than low-dose aspirin - physical or mental disability that prevents you from carrying out normal daily activities - in the investigator's judgement, have illnesses or medical conditions that could preclude participation - excessive obesity: bmi > 40 - uncontrolled hypertension: systolic > 180, diastolic > 100 - not willing to sign written consent