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  "publishedAt": "2026-03-14T21:21:24.000Z",
  "site": "https://upstract.com",
  "textContent": "As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than a decade. A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense early onslaught of flu. The…",
  "title": "Flu vaccines didn't work that well in the US, officials find"
}