- Adults
- General population
- Elderly
- Outpatient clinic
- SARS-CoV-2
- Post-COVID-19
- Non pharmacological intervention
- Immunoadsorption
Intervention: Immunoadsorption
- Adults
- General population
- Outpatient clinic
- SARS-CoV-2
- Post-COVID-19
- Non pharmacological intervention
- Immunoadsorption
- Adults
- General population
- Elderly
- SARS-CoV-2
- Post-COVID-19
- Non pharmacological intervention
- Immunoadsorption
- Adults
- Elderly
- SARS-CoV-2
- Post-COVID-19
- Non pharmacological intervention
- Immunoadsorption