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  "path": "/news/2026-04-cdc-covid-vaccine-effectiveness.html",
  "publishedAt": "2026-04-10T16:00:08.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "A health report on COVID-19 vaccines has been delayed after concerns about how the study was conducted.",
  "title": "CDC pauses release of COVID vaccine effectiveness study"
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