Yersinia pestis

History has a tendency of repeating itself from the forms of leadership to tactics of war to the plagues that kill many. Ebola originated in West Africa in the 21st century more than five hundred years after the Black Plague. The Black Plague occurred in Europe during the middle ages and left a great impact on society. Although Ebola never reached the mass scale of the Black Plague it still had a traumatic impact on societies. Ebola and the Black Plague differ in the environment of the societies…

The Black Death which swept through Europe in 1347, and extended until 1351, had devastating effects on the people living in Europe at the time, yet it was crucial to European society 's advancement. The Black Death, caused by the bacteria; Yersinia Pestis, lived in fleas and was transmitted to humans via rats. The plague originated in China where there had been previous small-scale outbreaks and traveled to Europe through trade routes such as the Silk Road. Despite the loss of life and…

Streptococcus mutans using extracellular enzyme glucosyltransferase in the oral cavity. Individuals infected with capsulated bacteria like Streptococcus pneumonia, Klebsiella pneumonia, Neisseria meningitides, Haemophilus influenza, Bacillus anthracis, Yersinia pestis and others show anti-capsular antibodies in their serum. Capsule is impermeable to biological dyes routinely used, therefore they cannot be stained. Negative staining which colours the background is employed to demonstrate the…

Viruses and Diseases have plagued humanity for all of their existence. They caused the fall of empires and fall of almost half an entire population. The Black Death alone “wiped out about 30 million people between 1347 and 1351. That amounted to 30% to 50% of the population on the continent killed in a period of just five years.” In modern times the Ebola Virus and Dengue Fever have cause scare and panic in 1st world countries and killed thousands in many 3rd world countries. The Bubonic…

Alexander Fleming “discovered the existence penicillin through a combination of perceptiveness and luck” (Krogh, 2011, p. 398). While he was growing bacteria in a petri dish, he notices the appearance of a type of fungus. The contamination caught the attention of Fleming. He realizes that he had found a substance that had the power to kill bacteria. Fleming continued to grow more fungal mold and tested it on different kind of bacteria. Additionally, he tested it on healthy mice in which he…

The Black Death was an outbreak of the plague that effected countries such as China, England, and many other European countries in the mid fourteenth century. Though most of this outbreak was caused by the bubonic plague, there were other forms of plague that effected residents that lived during the Black Death. This outbreak of the plague ended up killing anywhere from twenty-five to fifty percent of these countries populations over the course of a few decades. For this reason, the plague…

they are generally large numbers and it is not unusual to see a couple of them die on the road. However, according to the Department of Biology, Colorado State University one of the main exterminators of prairie dogs is plague. The bacteria Yersinia pestis is the main threat to the prairie dogs which has been affecting their communities for a while. The main issue with the plague spreading is the fact that they are not recovering as easily which put them at risk of…

If there was ever a catastrophe worse than a war, then that would be epidemics, particularly the one that ravaged all of a continent and killed much more than half of its population. There is only one epidemic that fits that category, and that is the Black Death. As one could take from the name, the Black Death was not a pleasant time for residents in Europe in the 1300s. Life in Europe during the Black Plague was a life fraught with constant death, pandemonium, devastation, persecution, and a…

Venice, Italy is a destination everyone deserves to visit in their lifetime. Rich in culture, history and a variety of art it’s definitely a place to go. The history of Venice includes many different things. First there is “The Plague” which was a huge problem in Venice during the Middle Ages. It struck not only Venice but also countries around Europe and also in China. When it was most deadly during the medieval time period and many knew it as “The Black Death.” The Plague was a disease that…

strangest of all they were covered in mysterious black boils that oozed blood and pus. (History.com). The epidemic was huge and many would later suffer the consequences. The Black Death was an epidemic. It was a disease caused by the bacteria yersinia pestis that circulates in rodents. *Discuss this more! The “Black Death” was a huge epidemic which killed nearly a third of Europe’s population. Europe was not the only country affected by the “Black Death”, the epidemic was a huge concern in many…