Bubonic Plague Essay - 2040 Words

http://ponderosa-pine.uoregon.edu/students/Janis/menu.html Abstract Bubonic plague has had a major impact on the history of the world. Caused by the bacterium, Yersinia pestis, and transmitted by fleas often found on rats, bubonic plague has killed over 50 million people over the centuries. Burrowing rodent populations across the world keep the disease present in the world today. Outbreaks, though often small, still occur in many places. The use of antibiotics and increased scientific knowledge first gained in the 1890s have reduced the destruction of plague outbreaks. In Medieval times, with the unknowing help of humans, bubonic plague exploded into a pandemic. Known as the  ³Black Death ², it decimated Europe in 1350, killing 1/3 of the†¦show more content†¦However, with certain environmental conditions plague reaches an epizootic scale (affecting many animals in any region at the same time). It is after a significant amount of the rodent (usually rats) population dies out, that hungry, infected fleas seek other sources of blood, incre asing the risk to humans and other animals. the incubation period of bubonic plague is 2 to 6 days after exposure. Between disease outbreaks, the plague bacterium exists among certain burrowing rodent populations without causing much illness. These animals act as long-term reservoirs of infection. What happens (biologically) to people who get the disease and why? Once the bacterium, Yersinia pestis, enters the bloodstream, it travels to the liver, spleen, kidneys, lungs, and brain. The incubation period is commonly 2 to 6 days after exposure. Early symptoms include: -shivering -vomiting -headache -giddiness -intolerance to light -pain in the back and limbs -white coating on tongue Eventually, pain occurs in the groin, armpit, and neck (all the areas that contain lymph nodes). Later, there is painful swelling of the lymph nodes called quot;boboesquot;, hard lumps that begin to appear on the inner thigh, neck, and armpit. Blood vessels then break, causing internal bleeding. Soon, dried blood under the skin begins to turn black. Yersinia pestis, in autopsies, has been found in the periodical sac, spleen, liver, lymph nodes, and bone marrow. If untreated, plagueShow MoreRelatedThe Plague Of The Bubonic Plague896 Words   |  4 PagesBlack Death The Bubonic Plague was likely the first semi-global pandemic that rightfully merits the name which means affecting all people. The period of time in which the disease wreaked havoc was also known as the â€Å"Black Death. Alexandere Yersin was a French bacteriologist and discovered the bacteria in Hong Kong This diabolical disease is characterized by both positive and negative outcomes for the few people that managed to survive the plague. 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The quicknessRead MoreThe Plague Of The Bubonic Plague1938 Words   |  8 PagesBlack Plague DBQ   Ã‚  Ã‚   The Bubonic Plague or Black Plague devastated Europe in the fifteenth through eighteenth centuries killing anywhere from twenty to twenty-five million people or about one-third of the continent’s population. At the time, medical knowledge was not competent for understanding why the deadly pathogen was spreading; therefore, the plague radiated like wildfire. The Europeans believed that the plague was a sort of divine punishment for the sins in which they had committed, and they