Edexcel GCSE Biology · 1BI0

Spread and Prevention

What you need to know

Explain how cholera is spread via water and how to prevent it.
Explain how tuberculosis is spread via air and how to prevent it.
Explain how Chalara ash dieback is spread via air and how to prevent it.
Explain how malaria is spread via animal vectors and how to prevent it.
Explain how stomach ulcers (Helicobacter) are spread via oral transmission and how to prevent them.
Explain how Ebola is spread via body fluids and how to prevent it.

4 key terms