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3.1.1 Communicable (infectious) diseases
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Communicable diseases and pathogens

Communicable diseases and pathogens

A communicable disease is an infectious disease that can spread from one organism to another. It is caused by a pathogen, which is a microorganism that causes disease.

3.1.1 Communicable (infectious) diseases Lesson

  1. GCSE
  2. /Biology
  3. /3.1.1 Communicable (infectious) diseases

Step-by-step lessons covering AQA GCSE Biology 3.1.1 Communicable (infectious) diseases for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.