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The United States will limit Covid-19 boosters to people over 65 or those at risk of serious illness, while requiring vaccine makers to run fresh clinical trials before offering shots to younger and healthier individuals, officials said Tuesday.

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FRIDAY, May 2, 2025 (HealthDay News) -- The U.S. Department of Health and Human Services and the National Institutes of Health announced a new initiative called "Generation Gold Standard" to develop next-generation, universal vaccines using a beta-propiolactone (BPL)-inactivated, whole-virus platform.