How a single flu shot could protect you for decades
Jun 10, 2026 · 11m
Summary
NPR’s Shortwave explores the pursuit of a universal flu vaccine with immunologist Adolfo García Sastre. He explains how targeting conserved viral regions could eliminate the need for annual shots and protect against pandemics. While Phase 1 trials showed promise, García Sastre notes that funding gaps from NIH program changes have stalled further development. The episode highlights the scientific progress and financial hurdles standing in the way of this breakthrough.
Topics discussed
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Introduction to universal flu vaccine research
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Why annual flu vaccines are needed
Scientific barriers to a universal vaccine
Phase one trial safety and results
Funding challenges and NIH program cuts
Optimism for future vaccine development
Episode credits and HIV vaccine mention
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