{
  "id": 836420,
  "title": "Vaccine imprinting drives increased SARS-CoV-2 variant infection in children",
  "url": "https://urgent.news/2026/08/13/vaccine-imprinting-drives-increased-sars-cov-2-variant-infection-in",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-08-13T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.08.12.739589v1?rss=1"
  },
  "original_language": "en",
  "account": null,
  "summary": "Virus exposure history, particularly first exposure, is believed to shape vaccine efficacy and infection susceptibility; however, evidence for mechanistic links between immune responses in individuals and epidemiological outcome in populations is scarce. Recent co-circulation of SARS-CoV-2 variants XFG and BA.3.2 has revealed a striking enrichment in BA.3.2 cases among children. By combining…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}