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Preface

Readers have probably heard the word “immunity” in daily life.
Well then, what is the original meaning of the word “immunity”?
From this question, we started investigating immunity.
We discovered that immunity has a complex but sophisticated mechanism that protects our body, which acts like a bodyguard.
Let's acquire correct knowledge about immunity and enjoy the world of immunity together!

How to read this website

This site offers multiple reading methods.
Let's enjoy to learn about immunity the way that suits you.

• 
  "Learn by videos", which summarizes the contents of this site with videos.
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  "Learn by conversation", which enables readers to learn while reading in chat format.
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  "Choose an article", which readers can freely read by choosing an article they like.
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  "Immune quiz", which help readers understand important points from various parts of the site.