From Immunity to Immunology

Study sheet excerpt

Course Outline

  1. Origins and Historical Meaning of Immunity
  2. Epidemics and Protection Against Disease
  3. From Variolization to Germ Theory
  4. Humoral and Cellular Immunity
  5. Innate Barriers and Recognition
  6. Innate Immune Effector Cells
  7. Adaptive Antigen Recognition
  8. Cytokines and Immune Cooperation

1. Origins and Historical Meaning of Immunity

Key Concepts & Definitions

  • Immunitas : a Latin legal term meaning a privilege of exemption, such as exemption from taxes or collective services, in the second century BC.

★ Must-know

  • Modern immunology emerged as a science at the end of the nineteenth century.

Further detail

  • The term immunis was sometimes used by Roman citizens to describe protection from a disease after contracting it once, but it was not used by physicians at that time.

Memory Hook

Immunitas → epidemics → contagion → vaccination → immunology

2. Epidemics and Protection Against Disease

  • In 430 BC, the Plague of Athens caused approximately 40,000 deaths, although its infectious agent was not identified.
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Quiz preview

1. What did the Latin legal term immunitas mean in the second century BC?

2. What does the Latin term 'immunitas' originally refer to in its historical context?

3. When did modern immunology emerge as a scientific discipline?

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Flashcards preview

What did the Latin term Immunitas mean in the second century BC?

A privilege of exemption from taxes or collective services.

Immunitas Latin meaning

Exemption privileges, like taxes or services

When did modern immunology emerge as a science?

At the end of the nineteenth century.

End of 19th-century

Modern immunology emerged then

In which year did the Plague of Athens cause about 40,000 deaths?

430 BC

430 BC plague

Caused ~40,000 deaths in Athens

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