A new analysis published in the Morbidity and Mortality Weekly Report found the 2024–2025 COVID-19 vaccines provided meaningful protection against the need for emergency department or urgent care visits related to COVID-19 in children. Using a test-negative design, researchers found vaccine effectiveness was 76% (95% confidence interval [CI], 58%–87%) for children aged 9 months-4 years and 56% (95% CI, 35%–70%) for those aged 5-17 years. Protection persisted with extended follow-up through 299 days. Approximately 38,000 …
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