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Best of JAMA 2025: Episode 7: Global Estimates of Lives and Life-Years Saved by COVID-19 Vaccination During 2020-2024
This research provides a comprehensive assessment of the global public health impact of COVID-19 immunizations from 2020 through late 2024. By analyzing diverse demographics and viral waves, the study concludes that vaccines prevented millions of deaths and preserved nearly 15 million life-years, though these benefits were not distributed equally across all age groups. The data reveals that the vast majority of lives saved belonged to individuals aged 60 and older, while the impact on children and young adults was statistically minimal. Ultimately, the authors use these conservative estimates…
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