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Identify the ways in which pathogens can be transmitted: (a) through direct contact, including blood and other bodily fluids, and (b) indirectly via contaminated surfaces, food, animals, and air.

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Cambridge IGCSE Combined ScienceDiseases and immunityCore content

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Identify the ways in which pathogens can be transmitted: (a) through direct contact, including blood and other bodily fluids, and (b) indirectly via contaminated surfaces, food, animals, and air

  • This point belongs to Diseases and immunity, especially Diseases and immunity outcomes.
  • You need to be able to identify the ways in which pathogens can be transmitted: (a) through direct contact, including blood and other bodily fluids, and (b) indirectly via contaminated surfaces, food, animals, and air.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Paper 3 structured question: Diseases and immunity

Paper 3Theory (Core)1 marks

Description

Pathogen Transmission

Pathogens can be transmitted in various ways, including direct and indirect methods. Direct transmission occurs through contact with infected bodily fluids, while indirect transmission can happen via contaminated surfaces, food, animals, or air.

  1. a

    Identify List two ways in which pathogens can be transmitted.

    Aim for approximately 1 distinct marking point.

    [1]
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