Scientists probe COVID-19's attack on immune cells
NCT ID NCT04401436
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how the virus that causes COVID-19 reduces the number of infection-fighting white blood cells (lymphocytes) in the blood. Researchers collected blood samples and medical records from 240 adults with or recovering from COVID-19. The goal was to learn more about the body's immune response and find clues for future treatments.
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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.
Contacts and locations
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
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