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The Bubonic Plague, or Black Death, had many negative as well as positive effects on medieval Europe. While being one of the worst and deadliest diseases in the history of the world, it indirectly helped Europe break grounds for some of the basic necessities for life today. The Black Death erupted in the Gobi Desert in the late 1320 s, but one really knows why. The plague bacillus was alive and active long before that; as Europe itself had suffered an epidemic in the 6 th century. But the disease had lain relatively dormant in the succeeding centuries. It is believed that the climate of Earth began to cool in the 14 th century, and perhaps this so-called little Ice Age had something to do with it becoming more active than normal (Knox 2).
Whatever the reason, we know that the outbreak began there and spread outward. While it did go west, it spread in every direction, and the Asian nations suffered as cruelly as anywhere. In China, for example, the population dropped from around 125 million to 90 million over the course of the 14 century. The plague moved along the caravan routes toward the West. By 1345 it had made it? s way to the lower Volga River.
By early 1347 it was in Constantinople. It hit Alexandria in the autumn of that year, and by spring 1348, a thousand people a day were dying there. In Cairo, Egypt, the count was seven times that. The disease traveled by ship as readily as by land and it was no sooner in the eastern Mediterranean than it was in the western end as well. Already in 1347, the plague had hit Sicily.
By winter the plague had reached mainland Italy. By January of 1348, the plague was in Marseilles, and it reached Paris in the spring of 1348. By September of 1348 the Bubonic Plague had worked its way into England. Bubonic plague was caused by the bacteria Yersinia Pestis. It is an organism most usually carried by rodents. Fleas infest the rodents (rats, but other rodents as well), and these fleas move freely over to human hosts.
The flea then regurgitates the blood from the rat into the human, infecting the human. The rat dies. The human dies. The flea? s life is not effected (Gregg 126). Symptoms include high fevers, aching limbs and vomiting of blood.
The most noticeable characteristic is a swelling of the lymph nodes. Lymph nodes are found in the neck, armpits and groin. The swellings are easily visible and its blackish coloring gives the disease its name: The Black Death. The swellings continue to expand until they eventually burst, with death following soon after. The whole process, from first symptoms of fever and aches, to final expiration, lasts only three or four days. The swiftness of the disease, the terrible pain, the grotesque appearance of the victims, all served to make the plague especially terrifying.
Bubonic plague is usually fatal, though not inevitably so. Historians have been hard pressed to explain the extraordinary mortality of the 1348 outbreak. Their best guess is that there was more than one variety of plague at work in Europe. There are two other varieties of plague: septicaemic plague, which attacks the blood, and pneumonic plague, which attacks the lungs. The pneumonic plague is especially dangerous as it can be transmitted through the air. Both of these two are nearly 100 % fatal.
It seems likely that some form of pneumonic plague was at work alongside the bubonic plague in those awful years.
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Research essay sample on Bubonic Plague Pneumonic Plague
