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  "path": "/2026/04/the-persistent-misleading-claim-that-vaccines-arent-properly-tested-for-safety/",
  "publishedAt": "2026-04-27T21:18:01.000Z",
  "site": "https://www.factcheck.org",
  "tags": [
    "FactCheck Posts",
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    "The Persistent Misleading Claim That Vaccines Aren’t Properly Tested for Safety",
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  "textContent": "It’s a common, misleading refrain in anti-vaccine circles: Childhood vaccines may be unsafe because few if any have been tested in placebo-controlled trials before being approved. But that claim misunderstands the vaccine safety testing process and takes advantage of a narrow definition of a placebo, scientists told us.\n\nThe post The Persistent Misleading Claim That Vaccines Aren’t Properly Tested for Safety appeared first on FactCheck.org.",
  "title": "The Persistent Misleading Claim That Vaccines Aren’t Properly Tested for Safety"
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