1. known pregnancy or positive pregnancy test in women of childbearing age 2. asa 3 or more from other cause than long covid 3. score above 70 in rand-36 role limitation physical health (rp) or physical functioning (pf) 4. diabetes 5. diagnosed with hypertension prior to covid-19 6. contraindication for hyperbaric oxygen treatment according to local guidelines 7. participation or recent participation in a clinical trial with an investigational product 8. mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

1. known pregnancy or positive pregnancy test in women of childbearing age 2. asa 3 or more from other cause than long covid 3. score above 70 in rand-36 role limitation physical health (rp) or physical functioning (pf) 4. diabetes 5. diagnosed with hypertension prior to covid-19 6. contraindication for hyperbaric oxygen treatment according to local guidelines 7. participation or recent participation in a clinical trial with an investigational product 8. mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

known pregnancy or positive pregnancy test in women of childbearing age asa 3 or more from other cause than long covid score above 70 in rand-36 role limitation physical health (rp) or physical functioning (pf) diabetes diagnosed with hypertension prior to covid-19 contraindication for hyperbaric oxygen treatment according to local guidelines participation or recent participation in a clinical trial with an investigational product mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

known pregnancy or positive pregnancy test in women of childbearing age asa 3 or more from other cause than long covid score above 70 in rand-36 role limitation physical health (rp) or physical functioning (pf) diabetes diagnosed with hypertension prior to covid-19 contraindication for hyperbaric oxygen treatment according to local guidelines participation or recent participation in a clinical trial with an investigational product mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

1. known pregnancy or positive pregnancy test in women of childbearing age 2. asa 3 or more from other cause than long covid 3. score above 70 in rand-36 role limitation physical health (rp) or physical functioning (pf) 4. diabetes 5. diagnosed with hypertension prior to covid-19 6. contraindication for hyperbaric oxygen treatment according to local guidelines 7. participation or recent participation in a clinical trial with an investigational product 8. mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

1. known pregnancy or positive pregnancy test in women of childbearing age 2. asa 3 or more from other cause than long covid 3. score above 70 in rand-36 role limitation physical health (rp) or physical functioning (pf) 4. diabetes 5. diagnosed with hypertension prior to covid-19 6. contraindication for hyperbaric oxygen treatment according to local guidelines 7. participation or recent participation in a clinical trial with an investigational product 8. mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

1. known pregnancy or positive pregnancy test in women of childbearing age 2. asa 3 or more from other cause than long covid 3. diabetes 4. hypertension prior to covid-19 5. contraindication for hyperbaric oxygen treatment according to local guidelines 6. participation or recent participation in a clinical trial with an investigational product 7. mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation

1. known pregnancy or positive pregnancy test in women of childbearing age 2. asa 3 or more from other cause than long covid 3. diabetes 4. hypertension prior to covid-19 5. contraindication for hyperbaric oxygen treatment according to local guidelines 6. participation or recent participation in a clinical trial with an investigational product 7. mental inability, reluctance or language difficulties that result in difficulty understanding the meaning of study participation