Scientists dig into why COVID-19 wipes out key immune cells
NCT ID NCT04401436
First seen Nov 01, 2025 · Last updated May 08, 2026 · Updated 25 times
Summary
This study looked at how the virus that causes COVID-19 reduces the number of lymphocytes—a type of white blood cell that fights infections—in the blood. Researchers studied 240 adults who currently had COVID-19 or had recently recovered. They collected blood samples and medical records to better understand the immune system's response and find clues for new treatments.
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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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MedStar Georgetown University Hospital
Washington D.C., District of Columbia, 20007, United States
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MedStar Health Research Institute: Washington Hospital Medical Center
Washington D.C., District of Columbia, 20010, United States
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National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
Conditions
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