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  "publishedAt": "2026-04-23T18:12:55.000Z",
  "site": "https://upstract.com",
  "textContent": "U.S. health officials stopped the publication of a study on whether the Covid-19 vaccine was keeping adults from becoming sick enough to have to go to the hospital. A U.S. Department of Health and Human Services spokesman on Wednesday confirmed the decision to halt publication, citing a dispute…",
  "title": "US health officials nix publication of a study on Covid vaccine effectiveness"
}