Massive study tracks COVID patients for 18 months to uncover hidden aftereffects
NCT ID NCT04610515
First seen Nov 17, 2025 · Last updated May 25, 2026 · Updated 27 times
Summary
This study followed 6,000 adults who had COVID-19 symptoms to understand long-term health problems like chronic fatigue, heart issues, and brain fog. Participants completed online surveys every 3 months for 18 months. The goal was to learn how the virus affects people over time, not to test a treatment.
Disclaimer
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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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Rush University Medical Center
Chicago, Illinois, 60612, United States
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Thomas Jefferson University
Philadelphia, Pennsylvania, 19107, United States
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UCLA
Los Angeles, California, 90024, United States
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UCSF
San Francisco, California, 94110, United States
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University of Texas Health Science Center at Houston
Houston, Texas, 77030, United States
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University of Texas Southwestern
Dallas, Texas, 75390, United States
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University of Washington
Seattle, Washington, 98104, United States
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Yale
New Haven, Connecticut, 06510, United States
Conditions
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