The Plague: Yersinia pestis

The Plague! The Black Death! You’ve heard of some version of this disease, which wiped out massive percentages of the global population several times in recent millenia. Terrifying, no? So what causes it? Well now we know! It’s a little jerk named Yersinia pestis. So how does this thing wreak so much havoc? Let’s find out!

Script by Kellie Vinal

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