From Immunity to Immunology

From the study guide

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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Practice quiz preview

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

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

3. What happened during the Plague of Athens in 430 BC?

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Flashcard preview

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

A privilege of exemption from taxes or collective services.

When did modern immunology emerge as a science?

At the end of the nineteenth century.

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

430 BC

Which virus caused the 1918 Spanish flu pandemic?

H1N1 influenza virus

Immunitas Latin meaning

Exemption privileges, like taxes or services

End of 19th-century

Modern immunology emerged then

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