AQA GCSE Biology · 8461
Specification 4.3.1.1 · Paper 1
Revise: Infectious Disease SpreadAQA groups the main routes as direct contact, air and water.
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GCSE Biology · key term
Physical transfer between an infected organism or contaminated material and a new host, without transmission through air or water.
Used by AQA
Specification 4.3.1.1 · Paper 1
Revise: Infectious Disease SpreadAQA groups the main routes as direct contact, air and water.
For plant diseases, remember that direct contact, airborne spores and water splashes can all transfer pathogens; animals may also act as vectors.
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