IGCSE Biology Notes: Disease & Immunity
IGCSE biology notes on disease and immunity should define pathogen types, active vs passive immunity, and vaccination in exam-ready sentences.
Hub: IGCSE biology notes · Disease & immunity guide · Diseases exam tips · Human health.
Immunity note page
| Topic | Notes |
|---|---|
| Pathogens | Virus, bacterium, fungus, protoctist — examples |
| Body defences | Skin, mucus, white blood cells |
| Antibodies | Specific to antigen; memory cells |
| Vaccination | Herd immunity bullet; not 100% effective |
| Antibiotics | Bacteria only; resistance mechanism |
Lifestyle link
Smoking, diet, exercise — cross-reference nutrition notes.
Frequently asked questions
HIV in IGCSE?
If on syllabus — virus attacking immune cells; check 0610 topic list.
Mosquito as vector?
Malaria example — one note box.
Ready to Excel in Your Studies?
Get personalised help from Tutopiya's expert tutors. Whether it's IGCSE, IB, A-Levels, or any other curriculum — we match you with the perfect tutor and your first session is free.
Book Your Free TrialWritten by
Tutopiya Team
Related Articles
EdPlace Alternative for IGCSE & A-Level (2026)
EdPlace is built for the English National Curriculum from KS1 to GCSE. If your child sits Cambridge IGCSE, Edexcel International or IB, here is the EdPlace alternative to use instead.
GetMyGrades Alternative for IGCSE & A-Level (2026)
GetMyGrades focuses on UK GCSE. If you need Cambridge IGCSE, Edexcel International or IB coverage with far more practice questions, here is the alternative to consider.
Khan Academy Alternative for IGCSE & A-Level (2026)
Khan Academy is free and excellent, but it is built around the US curriculum — not Cambridge or Edexcel. Here is the best Khan Academy alternative for IGCSE and A-Level students who need exam-board-specific practice.