Attenuated

{
  "id": "MLC-T-ONC-000801",
  "term": "Attenuated",
  "field": "Oncology and biomedicine",
  "definition": "Weakened or thinned. Attenuated strains of disease-causing bacteria and viruses are often used as vaccines. The weakened strains are used as vaccines because they stimulate a protective immune response while causing no disease or only mild disease in the person receiving the vaccine.",
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/attenuated/"
}