Biology A-Level
Direct and indirect transmission routes
What Direct and indirect transmission routes means in Biology A-Level, as defined for OCR.
Definition of Direct and indirect transmission routes
Check what you remember
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Reference: OCR
Direct routes include touching, body fluids and sexual contact, while indirect routes include droplets, airborne aerosols, faecal–oral contamination, vectors and fomites.
Topics that use Direct and indirect transmission routes
Related terms
- active immunity
- Active immunity and memory cells
- agglutination
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- Animal communicable diseases
- Antibody concentration
- Antibody function in immune defence
- Antibody specificity
Using Direct and indirect transmission routes in the exam
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