Scientists track T-Cell responses to COVID shots across ages
NCT ID NCT04852289
First seen Nov 01, 2025 · Last updated May 23, 2026 · Updated 29 times
Summary
This study looks at how the immune system, specifically CD8 T cells, responds to Pfizer or Moderna COVID-19 vaccines in healthy adults aged 18 and older. Researchers want to see if age affects this response. Participants do not receive the vaccine through the study but provide blood samples before and after their regular vaccination over two years.
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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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NIH/NIA/Biomedical Research Center at Johns Hopkins Bayview campus
Baltimore, Maryland, 21244, United States
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National Institute of Aging, Clinical Research Unit
Baltimore, Maryland, 21224, United States
Conditions
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