active immunity

{
  "id": "MLC-T-ENV-000374",
  "term": "active immunity",
  "field": "Environment",
  "definition": "1. An organisms resistance to disease or infection, developed because the organisms immune system has produced antibodies after an infection or inoculation. [CancerWeb 2005]\n\n2. Resistance developed in response to stimulus by an antigen (infecting agent or vaccine) and usually characterized by the presence of antibody produced by the host. [MERREA 2005]\n\n3. Production of antibodies against a specific disease by the immune system. Active immunity can be acquired in two ways, either by contracting the disease or through vaccination. Active immunity is usually permanent, meaning an individual is protected from the disease for the duration of their lives.",
  "references": [
    "Thesaurus of Terms Used in Microbial Risk Assessment",
    "CDC Vaccines and Immunizations Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/active-immunity/"
}