{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreidf3rfyicgfnuwfjiqbyhrith4hwyett677z4xn55zbh2mmmolpgq",
    "uri": "at://did:plc:xc32dedgv3ceunwz2nrseso4/app.bsky.feed.post/3mh37sp52vuz2"
  },
  "path": "/x/5c2f3404130a0243?ref=rss",
  "publishedAt": "2026-03-15T05:06:06.000Z",
  "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"
}