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Infectious Disease, Epidemiology and One Health

Biology Grade 12 Difficulty 5/5

Beginning of the lesson

Infectious Disease, Epidemiology and One Health

Big idea: This Grade 12 capstone connects basic reproduction number, incidence, pathogen surveillance, zoonosis, One Health to evaluate complex biological systems through evidence, uncertainty, responsible inference and real-world application.

Learning goals

  • basic reproduction number
  • incidence
  • pathogen surveillance
  • zoonosis
  • One Health

Core concepts

basic reproduction number

The expected number of secondary infections caused by one typical case in a fully susceptible population under defined conditions.

incidence

The number or rate of new cases arising in a population during a specified interval.

pathogen surveillance

Systematic collection and analysis of clinical, genomic or environmental data to detect transmission and change.

zoonosis

An infectious disease naturally transmitted between vertebrate animals and humans.

One Health

A collaborative framework recognizing that human, animal and environmental health are interdependent.

basic reproduction number1incidence2pathogen surveillance3zoonosis4One Health5Evidence-to-inference workflow

Scientific use

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In the full lesson

  • The complete explanation
  • Worked examples
  • Common mistakes and how to avoid them
  • Test questions: 15
  • AI tutor that answers questions about the topic
  • Progress tracking for students, parents and teachers