Long COVID mystery: study tracks lingering symptoms in mild cases
NCT ID NCT04813731
First seen Nov 01, 2025 · Last updated Jun 18, 2026 · Updated 30 times
Summary
This study followed 300 adults who had mild to moderate COVID-19 and were not hospitalized. Researchers called them monthly for a year to see how long symptoms lasted and how they affected daily activities. The goal was to understand the course of the disease and describe lingering symptoms in people treated in primary care.
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Balan Medfam SRL
Cluj-Napoca, Romania
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Center for General Practice at Aalborg University
Aalborg, Denmark
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Centre for General Practice, Department of Family Medicine & Population Health (FAMPOP), Faculty of Medicine and Health Sciences, University of Antwerp
Antwerp, Belgium
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Covid-19 primary care special unit Sassuolo, Azienda Unità Sanitaria locale di Modena, Modena, Italy
Modena, Italy
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Département de Santé Publique, Université Côte d'Azur, Centre Hospitalier Universitaire de Nice, Nice, France
Nice, France
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Institut für Allgemeinmedizin Universitätsklinikum Würzburg Josef-Schneider-Str. 2/D7 97080 Würzburg
Würzburg, Germany
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Julius Center, University Medical Center Utrecht
Utrecht, Netherlands
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Kärna Primary Health Care Centre
Linköping, Sweden
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Medical University of Lodz, Lodz
Lodz, Poland
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R. Lugar Center for Public Health Research
Tbilisi, Georgia
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School of Medicine, National University of Ireland
Galway, Ireland
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Wetterhälsan Primary Health Care Centre
Jönköping, Sweden
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the Academic Centre for General Practice (ACHG), Department of Public Health and Primary Care, KU Leuven
Leuven, Belgium
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.