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2024-2025 mRNA COVID Vaccines Slash Hospital Visits by 39%

10/10/2025

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Summary

Story summary

A study in the New England Journal of Medicine analyzed nearly 300,000 U.S. veterans and found that the 2024-2025 mRNA COVID vaccines reduced emergency department visits by 29%, hospitalizations by 39%, and deaths by 64% versus unvaccinated.
The overall vaccine effectiveness was 28%, similar to annual flu shots.
Benefits were strongest for those aged 65 and older, while protection for younger adults was less clear.

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Story summary

A study in the New England Journal of Medicine analyzed nearly 300,000 U.S. veterans and found that the 2024-2025 mRNA COVID vaccines reduced emergency department visits by 29%, hospitalizations by 39%, and deaths by 64% versus unvaccinated.
The overall vaccine effectiveness was 28%, similar to annual flu shots.
Benefits were strongest for those aged 65 and older, while protection for younger adults was less clear.