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22 Plagues - PLAGUES TFTD Plague Plague Noun Latin plaga =...

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PLAGUES
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TFTD: Plague Plague. Noun . Latin plaga = blow/strike 1 : a disastrous evil or affliction 2 : a destructively numerous influx 3 : an epidemic disease causing a high rate of mortality 4: a virulent contagious febrile disease caused by a bacterium ( Yersinia pestis ) and that occurs in bubonic, pneumonic, and septicemic forms —called also black death
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Plague aka Black Death Bubonic plague refers to just one form of the disease
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Plague… Causal agent: a bacterium ( Yersinia pestis ) Reservoirs: Rodents (rats, squirrels, etc.) Vector: Fleas (Siphonaptera)
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Plague has three phases… Bubonic : most common, the kind vectored by fleas. “Bubos” = swellings of the lymph nodes Pneumonic : affects lungs, spread through air (sneezing, etc.) Septicemic : rarest form, affects blood, turns skin black (hence, ‘Black Death’)
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Bubo (lymph node swelling) from plague Septicemia (black skin tissue) Plague
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Major outbreaks of plague… 6th century 14th century 16th century Most recently 1890s Affected not just Europe, but Asia, Middle East as well… But the European outbreak of 1347-1357 most notorious
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Origin on coast Of Black Sea Dec. 1346 In 10 years 25 million people (1/3 of the  population of Europe) had died June 1348 Dec. 1348 June 1349 Dec. 1349 June 1350
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Why did so many people die?
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