This plague was the Bubonic Plague. The death rate was 90%. It was transmitted by the fleas from black rats. The symptoms were: swollen lymph nodes, high fever, and delirium. Sometimes the lungs became infected and coughing, sneezing, or simply talking spread it from person to person.

There are three types of the Bubonic Plague. They are septicemic and bubonic which are spread through the bite of an infected flea, and pneumonic which is airborne through coughing up of saliva.

The Bubonic and Septicemic type is spread through a bite of a flea. Rats, humans, and fleas were hosts for the disease. The bacterium that causes the Black Plague lives in the stomach of the flea. The bacteria multiplies so much that the bacteria blocks the feeding tube of the flea. This ends up that the flea is really hungry, so it bites a host so much to try to get some blood, that the bacteria from the feeding tube flows into the wound. Then the fl

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