Herd immunity

{
  "id": "MLC-T-ONC-003841",
  "term": "Herd immunity",
  "field": "Oncology and biomedicine",
  "definition": "Protection from an infectious disease as a result of living in a community where a large number of people are vaccinated against that disease. When enough people are vaccinated against a disease, it is harder for the disease to spread. Herd immunity helps protect those who have not been vaccinated, including newborns, pregnant women, and people with certain illnesses who cannot receive vaccines. Also called community immunity.",
  "synonyms": [
    "community immunity"
  ],
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/herd-immunity/"
}