{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "@id": "https://anchorfact.org/kb/kb-2026-00365",
  "headline": "Immune System",
  "description": "The immune system defends against pathogens (bacteria, viruses, fungi, parasites). Two branches: innate (immediate, non-specific — macrophages, neutrophils, complement) and adaptive (delayed, specific — B cells/antibodies, T cells). Vaccination trains adaptive immunity without causing disease.",
  "dateCreated": "2026-05-22T14:59:47.845Z",
  "dateModified": "2026-05-22T14:59:47.845Z",
  "author": {
    "@type": "Organization",
    "name": "AnchorFact"
  },
  "publisher": {
    "@type": "Organization",
    "name": "AnchorFact",
    "url": "https://anchorfact.org"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "anchorfact:confidence": "high",
  "anchorfact:generationMethod": "ai_assisted",
  "citation": []
}