1661 and 1669‚ although there were sporadic outbreaks in Poland and Russia until the end of the eighteenth century. In 2011‚ medical historians have identified the cause of the Black Death as plague‚ an infectious disease caused by the bacterium Yersinia pestis. The Black Death was the second pandemic that was extremely widespread occurrence in history. The first pandemic began in the mid-500s
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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
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lack of scientific and medical knowledge that the people had during the fourteenth century. We now know that the Black Death was caused by rats that were carrying the Yersinia pestis bacterium and that oriental rat fleas would bite the resistant carrier rats and become infected with Yersinia pestis. After a few days the Yersinia pestis would multiply creating blockage in the flea’s midguts starving the fleas. The fleas would then begin to feed aggressively and would continuously try to rid of the blockage
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Xenopsylla cheopis. The particular flea lives on mammals‚ especially rodents. The Yersinia pestis living in the flea’s stomach grows multitudinously and blocks the flea from swallowing. The flea then will regurgitate the bacteria onto the rodent‚ which will eventually kill it. Once the host is dead the flea goes to find another host; if that host is human and he or she receives the plentiful amount of Yersinia pestis‚ then the epidemic will start once
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Awhile before the horrendous events of the Black Death occurred‚ there was The Great Famine of 1315. I had not previously heard of or known about this period of history before writing this paper. At the beginning of the 14th century‚ the population in Europe had steadily been growing so large that there was no room for any crop failure or shortage. However‚ climate change in the spring of 1315 gave them a wet spring that proved to be harsh on the people until the summer of 1317. The people were weakened
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The Bubonic Plague In Europe during the late 1340s‚ almost 25 million people died. During the Great Plague of London in the 1660s‚ one in every five people died. This was all caused by one deadly disease‚ the Bubonic Plague (National Geographic). The Bubonic Plague attacks a body system called the immune system. This disease’s structure and function cause this body system to malfunction and will also cause many awful problems and symptoms in the body. Imagine what it would be like if an outbreak
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Trypanosoma Protozon-Trypanosoma is a genus of kinetoplastids (class Kinetoplastida)‚ a monophyletic group of unicellular parasitic flagellate protozoa. E Coli-Escherichia coli is a Gram-negative gammaproteobacteria commonly found in the lower intestine of warm-blooded organisms Staphylococcus -Staphylococcus is a genus of Gram-positive bacteria. Under the microscope‚ they appear round‚ and form in grape-like clusters. The Staphylococcus genus includes at least 40 species. Giardia Protozon-Giardia
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Unknown Lab Report #1 Unknown #1 April 25‚ 2012 Microbiology Spring 2012 MCB2010C Unknown #1 Introduction Identity of a microorganism has proven to be very significant. Doing so can help identify diseases and created treatment and cures for such diseases. As a result‚ various laboratory tests were performed to an unknown microbe (Unknown #1) found in the water of a nearby pond. By identify the microbe‚ the safety of the water will be known to those around it. Materials and Methods
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Plague Notes Lifespan of yersinia pestis bacilli outside of living host: • In frozen cadavers (years) • In putrefying cadavers (a few days) • In ground (dies rapidly) • In micro-climate of rodent warrens (several months→ years) Urban cycle is important for mass destruction of urban ways? A flea bites rodent‚ and then the wild rodent will have some type of contact with a human. Or the infected flea will direct the person. INFLUENZA • Acute respiratory infection due to influenza virus
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Adrian Guzman Dr. Huckabee English 041 November 6‚ 2013 Diseases and Medicine during the Medieval Ages During the Medieval time period‚ deaths from diseases were common and widespread. The impact throughout Europe impacted the economy and family matters. Some took the initiative to find cures and care for the sick. New advances in medicine was common but still unable to cure all of the sick Many of these diseases could have been prevented with proper hygienic‚ something as uncommon and not thought
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