The bacteria were carried by fl eas on rats, which were quite abundant in Medieval towns due to unsanitary conditions and overpopulation. The fleas would bite the rats and become springiness with the diseased blood. The fleas would then jump from the rats onto people, thus infecting the host. Because the plague was bed covering easily, through sneezing and coughing as well as the fleas, the infection spread like wildfire. By the...If you want to fabricate a full essay, order it on our website: BestEssayCheap.com
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