Sunday, October 19, 2025

Early Priming Minimizes the Age-Related Immune Compromise of CD8 + T Cell Diversity and Function

Authors: Sophie A. Valkenburg, Vanessa Venturi, Thurston H. Y. Dang, Nicola L. Bird, Peter C. Doherty, Stephen J. Turner, Miles P. Davenport, Katherine Kedzierska

DOI: 10.1371/journal.ppat.1002544

Abstract Summary

Early flu vaccination may provide lifelong protection against age-related immune decline. Research shows mice vaccinated at 6 weeks maintained strong T-cell responses over 20 months later, while late vaccination reduced immune diversity. Early priming preserves optimal CD8+ T-cell memory, suggesting childhood vaccines could offer broader, longer-lasting immunity against influenza throughout aging.

Why Brain? 🧠

Early influenza vaccination preserves immune function in elderly by maintaining CD8+ T cell diversity and preventing age-related immune decline, supporting youth vaccination strategies.

The image is AI-generated for illustrative purposes only. Courtesy of Midjourney.

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