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The black plague

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The black plague Presentation Transcript

  • 1. Caden Schultheis
  • 2. The “Black Death” •The Plague is famous for causing the Black Death pandemic. •In The Fourteenth century it wiped out an estimated third of Europe’s population.
  • 3.  The Plague is caused by the bacteria YersiniaPestis  It is believed to have originated in Mongolia  The bacteria was carried along trade routes by merchants, A microscopic picture of the yersiniapestisbacteria and eventually spread to the Mediterranean and Europe
  • 4. How is it spread? •The plague is spread mostly through rodent fleas carried by rats •Rat infestations in medieval Europe are what caused the Black Death pandemic •The most common cause of plague is rodent infestations due to poor sanitation •In late stages of infection, plague is communicable by coughing
  • 5.  In early stages, the plague infects the lymphatic system, causing fever, aches, and the characteristic buboes to form on the neck, armpit, and groin.  Later, the infection spreads to the circulatory system, causing severe sepsis of body tissues, diarrhea and vomiting  Infection can also spread the the respiratory system, where it becomes airbourne and causes a bloody cough
  • 6. Plague Today •The plague still exists in rodent populations worldwide, and rarely affects humans •The Plague is easily treated with common antibiotics •The most effective way to prevent Plague is to practice basic sanittation
  • 7.  The Plague is present in Southwestern United States, but nowhere else in the country  There is still some dissention over “Bring out your dead!” whether YersiniaPestis was the cause of the Black Plague