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- Byzantine Empire Commonly known as bubonic plague. It was carried by rats and transfered to humans 1/4 of the Earth's population died
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It formed dark swellings of buboes
It took up to 200 million dead
1/3 of global population -
Infected around 500 million worldwide
It took 4% of the world's population -
Began in China, in a lab outbreak
It has reached all over the world
15.8-27.2 million deaths (estimated)