OVER AGE 75

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Scientists probe why flu shots may fail in the oldest adults

Knowledge-focused Recruiting now

This study aims to understand how well the immune systems of adults over age 75 respond to the annual flu shot. Researchers want to see if a common, lifelong virus called CMV affects how well the vaccine works in this age group. The study involves giving participants a free flu s…

Matched conditions: OVER AGE 75

Phase: NA • Sponsor: Johns Hopkins University • Aim: Knowledge-focused

Last updated Apr 02, 2026 03:26 UTC

OVER AGE 75

Get alerted when new OVER AGE 75 trials appear

Scientists probe why flu shots may fail in the oldest adults