BRAINCAKEArtificial Active Immunity
Artificial active immunity occurs when your body is intentionally exposed to a safe form of an antigen—such as a vaccine or toxoid—to trigger an immune response.
This stimulates your immune system to produce its own antibodies and memory cells, providing long-lasting or lifelong protection without causing the actual disease.
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Key terms in this lesson
- pathogen
- A microorganism that causes disease.
- antigen
- A molecule, usually a protein, on the surface of a cell or pathogen that triggers an immune response.
- antibody
- A Y-shaped protein (immunoglobulin) produced by B plasma cells that binds specifically to a particular antigen.
More in Communicable Diseases
- Humoral Immunity
- Auto-Immune Diseases
- Natural Immunity
- Artificial Passive Immunity
- Vaccines
- Sources of Medicines
- Drug Design
- Antibiotic Resistance
All 40 lessons in Communicable Diseases · All OCR AS-level Biology topics