{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreiagytgo2k6jybulhfm35zw6ge4slzxcfxtadj4qlcrrkrocvjabbu",
    "uri": "at://did:plc:6jak2nglasyaawg4v67i7lmr/app.bsky.feed.post/3mk2c7dvbx3s2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreib73dif4rozow6wu2zxget2ef4jkdwhvrj3pf4i75ka2ib7dgtbzy"
    },
    "mimeType": "image/jpeg",
    "size": 23643
  },
  "path": "/news/health/bird-flu-vaccine-trial-pandemic-37048780",
  "publishedAt": "2026-04-21T23:00:00.000Z",
  "site": "https://www.mirror.co.uk",
  "tags": [
    "Health",
    "Immune system",
    "Flu",
    "Animals",
    "Bird flu"
  ],
  "textContent": "Dangerous new clade of bird flu is mutating to infect more animals throughout Europe so a UK government-backed trial is developing a new mRNA vaccine against it",
  "title": "Britain launches vaccine trial against ‘evolving’ bird flu amid pandemic fears"
}