Fill in the Blanks The Black Death (D)Online version Read and complete the text about the plague in the Middle Ages. by Chase Brisel 1 Black bubonic bacterium faces Symptoms 1300s pandemic antibiotics northern Europe Death flea rats The Black Death or plague is caused by a . It occurs mainly in wild rodents , such as . However , it can be passed to humans who come into direct contact with infected animals or who are bitten by a from an infected animal . An infected person becomes ill within hours or days . include high fever , swelling , a rash and changes in blood pressure . When plague is untreated , many victims die within a few days , but it can be treated in the modern day with . During the , there was a of plague across the hemisphere , infecting populations in the Middle East , China and . About 13 million people in China and 25 million people in Europe died from the disease . It was called the because of the dark color of many victims' after death .