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TED-Ed

How does herd immunity work?

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Since the start of the coronavirus COVID-19 pandemic, the term “herd immunity” has been all over the news. But what does it really mean? It’s Okay To Be Smart uses mousetraps and ping-pong balls to show how it works.

Watch the video and finish the Think section to complete the lesson.


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Video created by
Be Smart
Lesson Plan created by
Lauren McAlpine

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