Infection and response

Pathogens and how they spread, the body's defences and the immune system, vaccines, antibiotics and resistance, drug trials, and (Biology only) monoclonal antibodies and plant disease.

Start: Pathogens and how they spreadAbout 16 min

Lessons

Practice and tests

Mixed practiceQuestions mixed across your lessons.

By the end you can

Name the pathogen behind each disease you need, say how it spreads and how to control it
Explain how barriers and white blood cells defend the body, and read an antibody graph
Explain how vaccines and herd immunity protect people, and how antibiotic resistance develops
Calculate percentages and percentage reductions from vaccination and drug-trial data, and evaluate a trial's design
Describe how monoclonal antibodies are made and used (Biology only, Higher)
Identify plant diseases and deficiencies and describe plant defences (Biology only)
Give the pathogen, signs, spread and control of the Edexcel diseases, explain how HIV raises the risk of tuberculosis, and describe the lytic and lysogenic pathways (Edexcel, Biology only)

Helps with: GCSE (AQA, Edexcel, OCR)

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