BRAINCAKEVaccines
Vaccines are used to provide long-term immunity to many infectious diseases.
They prevent epidemics. Mass vaccination at the start of an epidemic slows down the spread of the pathogen.
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Key terms in this lesson
- pathogen
- A microorganism that causes disease.
More in Communicable Diseases
- Auto-Immune Diseases
- Natural Immunity
- Artificial Passive Immunity
- Artificial Active Immunity
- Sources of Medicines
- Drug Design
- Antibiotic Resistance
- MRSA and C. difficile
All 40 lessons in Communicable Diseases · All OCR AS-level Biology topics