| Completed | N/A | 256 | Europe | Observational study | University Medical Center Groningen, ZonMw: The Netherlands Organisation for Health Research and Development | COVID-19, Post-COVID-19 Syndrome | 07/22 | 08/22 | | |
| Completed | N/A | 7599 | Europe, RoW | Not applicable (observational study) | Azienda Ospedaliera Universitaria Integrata Verona, University of Bologna, Institut National de la Santé Et de la Recherche Médicale, France, Universiteit Antwerpen, University of Sao Paulo, Barcelona Institute for Global Health, Fondation pour la Recherche Médicale, Andaluz Health Service, Charite University, Berlin, Germany, CINECA consorzio universitario italiano, University Medical Center Groningen, Hospital Universitario Virgen Macarena | COVID-19 Pneumonia, COVID-19 Respiratory Infection, COVID-19 Acute Bronchitis, COVID-19 Acute Respiratory Distress Syndrome, COVID-19 Lower Respiratory Infection, Covid19, Corona Virus Infection, Coronavirus, Coronavirus Infections, SARS-CoV2 Infection, SARS-CoV-2 Acute Respiratory Disease, SARS-Associated Coronavirus, SARS Pneumonia, SARS (Severe Acute Respiratory Syndrome), SARS (Disease), Coronavirus Pneumonia, Coronavirus Disease 2019, Coronavirus Sars-Associated | 05/24 | 05/24 | | |