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This YouTube video by It's Okay To Be Smart does well to explain how herd immunity works by demonstrating with ping pong balls and mouse traps. https://www.yout
by Jeremy1026 5y ago
This YouTube video by It's Okay To Be Smart does well to explain how herd immunity works by demonstrating with ping pong balls and mouse traps. https://www.youtube.com/watch?v=Et_J8_x4qBs https://www.youtube.com/watch?v=Et_J8_x4qBs