Scientists track T-Cell responses to COVID shots across ages

NCT ID NCT04852289

First seen Nov 01, 2025 · Last updated May 13, 2026 · Updated 27 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 vaccination over two years.

Disclaimer Read more

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for COVID - 19 are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Locations

  • NIH/NIA/Biomedical Research Center at Johns Hopkins Bayview campus

    Baltimore, Maryland, 21244, United States

  • National Institute of Aging, Clinical Research Unit

    Baltimore, Maryland, 21224, United States

Conditions

Explore the condition pages connected to this study.