VACCINE RESPONSE

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Trials to join now! 3 Not yet finished but already full! 1 Completed 1

Why do flu shots weaken with age? new study aims to find out

Knowledge-focused Ongoing

This study follows 75 adults aged 65 and older over three to four flu seasons to learn why the flu vaccine becomes less effective as people age. Participants will receive a different FDA-approved flu vaccine each year, and researchers will collect blood, nasal swab, and stool sam…

Matched conditions: VACCINE RESPONSE

Phase: PHASE4 • Sponsor: The Jackson Laboratory • Aim: Knowledge-focused

Last updated Jun 27, 2026 12:28 UTC

VACCINE RESPONSE

Get alerted when new VACCINE RESPONSE trials appear

Why do flu shots weaken with age? new study aims to find out