{
  "abstract": "This meta-analysis evaluates the whether the 40% to 60% heuristic applied to estimates of influenza vaccine effectiveness accurately reflects performance across 20 years of US seasonal conditions.",
  "abstract_shown": true,
  "affiliations": [
    "Internal Medicine Residency Program, University of Maryland Medical Center, Baltimore",
    "Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore",
    "Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore",
    "Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore"
  ],
  "article_type": "research article",
  "arxiv": null,
  "author_total": 4,
  "authors": [
    {
      "affs": [
        0,
        1
      ],
      "name": "Matthew D. Wolpert"
    },
    {
      "affs": [
        2
      ],
      "name": "Yuanyuan Liang"
    },
    {
      "affs": [
        1
      ],
      "name": "Meagan C. Fitzpatrick"
    },
    {
      "affs": [
        1,
        3
      ],
      "name": "Justin R. Ortiz"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/276kh0rn17vjs.bib",
  "cited_by": 0,
  "doi": "10.1001/jamanetworkopen.2026.42906",
  "fulltext_url": "https://europepmc.org/articles/PMC13752732",
  "id": "276kh0rn17vjs",
  "issns": [
    "2574-3805"
  ],
  "landing_url": "https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2856370",
  "language": "eng",
  "licence": "CC-BY-NC-ND",
  "licence_label": "CC BY-NC-ND",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": null,
  "native_subjects": [],
  "openalex": null,
  "pdf_url": null,
  "pmcid": "PMC13752732",
  "pmid": "43007678",
  "published": "2026-11-02",
  "publisher": "American Medical Association (AMA)",
  "ris": "https://research.draconitic.com/paper/276kh0rn17vjs.ris",
  "sources": [
    {
      "first_seen": "2026-11-11T00:21:44Z",
      "native_id": "10.1001/jamanetworkopen.2026.42906",
      "source": "crossref",
      "url": "https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2856370"
    },
    {
      "first_seen": "2026-11-12T15:21:48Z",
      "native_id": "MED:43007678",
      "source": "europepmc",
      "url": "https://europepmc.org/article/MED/43007678"
    }
  ],
  "subjects": [
    {
      "field": "medicine",
      "origin": "issn:2574-3805",
      "subfield": "general"
    }
  ],
  "title": "Testing the 40% to 60% Influenza Vaccine Effectiveness Heuristic",
  "title_text": "Testing the 40% to 60% Influenza Vaccine Effectiveness Heuristic",
  "type": "peer-reviewed",
  "updated_at": "2026-11-13T03:20:44Z",
  "url": "https://research.draconitic.com/paper/276kh0rn17vjs",
  "venue": "JAMA Network Open",
  "versions": []
}