Estimated Effectiveness of 2024-2025 COVID-19 Vaccines in Adults
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The authors aimed to assess the effectiveness of the 2024-2025 COVID-19 vaccines in preventing medically attended COVID-19 cases among adults in the U.S. Their findings indicate that vaccination was associated with a 26% to 41% reduction in the likelihood of COVID-19-related emergency department visits, hospitalizations, and critical illness, with effectiveness waning over time since vaccination. This underscores the importance of COVID-19 vaccinations for both immunocompetent and immunocompromised adults.
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