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3.1.2 Viral diseases
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Viruses and disease

Viruses and disease

A virus is a pathogen that is much smaller than a bacterium. It can reproduce only inside a living host cell.

3.1.2 Viral diseases Lesson

  1. GCSE
  2. /Biology
  3. /3.1.2 Viral diseases

Step-by-step lessons on AQA GCSE Biology 3.1.2 Viral diseases. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons