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Warm-Up: 5-19-2016 What is the purpose of a vaccine?

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Presentation on theme: "Warm-Up: 5-19-2016 What is the purpose of a vaccine?"— Presentation transcript:

1 Warm-Up: What is the purpose of a vaccine?

2 The Black Death Have you ever been given a shot to prevent the flu or to protect you from another disease? Lets look at what happened in Europe before modern medicine could control contagious diseases.

3 The Middle Ages in Europe reached a high point during the 1200’s.
The Black Death The Middle Ages in Europe reached a high point during the 1200’s. In the 1300’s however, disaster struck…A terrible plague, known as the Black Death or Bubonic Plague, swept across Europe and Asia.

4 The Black Death A plague is a disease that spreads extremely quickly and kills many people violently. Most scientist think that the Black Death was disease caused by a type of bacteria carried by fleas.

5 The Black Death The Black Death probably began somewhere in the Gobi Desert, a desert located in central Asia. It had been around for centuries in Asia, but in the 1300’s, the plague began to spread farther and more quickly than ever before.

6 The Black Death These fleas infested black rats and unfortunately due to the unsanitary lifestyles of humans during the Middle Ages, these rats were literally everywhere.

7 The Black Death The way that the Black Death spread so rapidly all of a sudden is completely baffling to Historians and Scientist at first.

8 The Black Death Upon further research Historians believe that the Mongol Empire was truly responsible for the plague spreading so fast. The Mongols had created a vast empire that covered all of the land from Eastern Europe through Central Asia, ending in what is now China.

9 The Black Death

10 The Black Death The Mongols had continued using an existing, widespread trade network set up between China, India, the Middle East and Europe. This trade network was so prosperous that they encouraged its use constantly, in order to bring wealth into their vast Empire.

11 Can anyone tell me the name of this massive trade network????
The Black Death Can anyone tell me the name of this massive trade network????

12 The Black Death The Silk Road!

13 The Black Death By the early 1300’s, more goods were being shipped across central Asia than ever before. This made it possible for the Black Death to spread so rapidly, as caravans infested with rats carried the plague from city to city.

14 The Black Death The first documented outbreak took place in China in 1331 and again in 1353. The Black Death killed between 40 and 60 million people, cutting China’s population nearly in half.

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17 The Black Death A terrible plague, known as the Black Death, swept through Europe in the 1300’s killing millions.

18 Triumph of Death painted c by Pieter Bruegel the Elder. It currently hangs in the Museo del Prado, Madrid.

19 The Black Death, 1348

20 The Black Death How does the Black Death Kill?
Once contracted by a human the disease became airborne. It would take about 3-7 days for it to kill you. Symptoms were a fever, painful swelling of the lymph glands, red spots on skin that turned black and armpits would fill with blood. .

21 SYMPTOMS ~painful swellings called buboes which commonly  appeared in armpits  and groin area ~dark blisters and purple blotches appeared on skin ~fever ~severe headaches ~increasing weakness SYMPTOMS

22 The Plague occurred in 3 Forms
D e a t h The Plague occurred in 3 Forms PNEUMONIC PHASE Attacked the Lungs Caused fierce coughing & sneezing fits Chest pain, Bloody sputum SEPTICEMIC PHASE Rarest and Deadliest Traveled thru bloodstream Black spots beneath skin Victims choked on own blood, Excruciating Pain! BUBONIC PHASE Most Common Egg-sized swellings (buboes) Neck, armpits, groin (dark blisters) Headaches, Weakness, Nausea/Vomiting Severe Fever and Delirium The Whirligig was not that bad of a torture. It just spun the victim around in circles until he puked, mostly all over himself.

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26 WHY? Ignorance Surrounded Cause and Cure Europeans were Frantic Blames
Alignment of Planets Infected Clothing, Humans God’s Wrath aimed at Sin Jews Cures/Remedies Pomanders Mixture of Molasses & Chopped Snake Repentance Flagellants

27 The Flagellant Brahren
Singing hymns and sobbing, the men beat themselves with scourges studded with iron spikes. Blood gushes from their many wounds, and the spikes embed themselves in the torn flesh. The ritual is performed in public twice each day. Such exhibitions are highly influential. The establishment may focus their attacks on church corruption and their promotion of a wave of savage anti-Semitism. but the masses worship the flagellants as living martyrs. Their deeds are to be admired and their commands to be carried out. Many Followers massacred Jews believing they had poisoned society.

28 The burning of Jews in 1349 (from a European chronicle written on the Black Death between 1349 and 1352)

29 Effect on European Civilization

30 The Black Death As many as million Europeans died from the Black Death between 1347 and 1351.(A cross was used to show that bodies were inside a house for pick up) That is nearly one out of every two people. (The image above is not real and was used in a renaissance festival to show what the plague looked like)

31 The Black Death The death of so many people in the 1300’s turned Europe’s economy upside down. Trade declined and wages rose sharply because workers were few and in demand.

32 Earning a living as a farmer was almost impossible.
The Black Death At the same time, fewer people meant less demand for food and food prices fell. Earning a living as a farmer was almost impossible.

33 Landlords found they had to pay workers more and charge lower rents.
The Black Death Landlords found they had to pay workers more and charge lower rents. Some peasants actually bargained with their lords to pay rent instead of owing services.

34 This meant that they were no longer serfs.
The Black Death This meant that they were no longer serfs. In this way the plague, like the Crusades, helped to weaken the Feudal System and change European society forever.

35 25 million people died in just under five years between 1347 and 1352.
DISASTER STRIKES Estimated population of Europe from 1000 to 1352. million million million million million million 25 million people died in just under five years between 1347 and 1352.

36 THE TRUE CAUSE OF THE PLAGUE
The Swiss scientist Alexandre Yersin discovered the true cause of plague. The bubonic plague, an infectious disease, are caused by microbes that invade the human body. The microbes that cause the plague are a type of bacteria known as the Yersinia pestis. The bubonic plague, however, does not start in humans. Instead it infects only rats and cannot be spread directly from rats to humans. Fleas, which live on the rats for food, abandon the rat when the rat dies. If these fleas then find a human the, Yersinia pestis is injected into the bloodstream. Then the disease can spread from man to man.

37 How it was Transmitted                                                                                                                                            Yersinia pestis seen at 2000x magnification. This bacterium, carried and spread by fleas, is the cause of the various forms of the disease plague

38 Flea which carries the yersinia pestis

39 History of Plague Justinian’s Plague ( ) killed ¼ pop. of Mediterranean 6th & 8th C. breakouts 16th, 17th, 18th C. Pandemics Italian, London, Vienna, Marseilles, Russia 3rd Pandemic (Asian Plague) – 19th, 20th C. ~15 million dead (India, China, Russia) Biological Weapon (Japanese, WWII) Looked at Medieval Styles of Catapulting Infected Bodies into Castles Released Infected Fleas in China, Manchuria Studied Live Subject, Dissecting WhAt NeXt?

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41 The Black Death Questions: 1) What does the term Plague mean?
2) What Asian desert did the Black Death come from? 3) How many Europeans Died of the Black Death between 1347 and 1351?

42 The Black Death Questions: 1) What does the term Plague mean?
A disease that spreads quickly and kills many people. 2) What Asian desert did the Black Death come from? Gobi Desert 3) How many Europeans Died of the Black Death between 1347 and 1351? 19 – 38 Million Europeans

43 The Black Death Questions:
4) How many people died from the Black Death in China? 5) What happened to Europe's economy after the Black Death?

44 The Black Death Questions:
4) How many people died from the Black Death in China? 40 – 60 Million Chinese people 5) What happened to Europe's economy after the Black Death? It declined, was turned up side down

45 The Black Death History Connection:
Many folklorists believe that the popular nursery rhyme “Ring Around the Rosie” is about the Black Death.

46 The Black Death The first line refers to the round pink rash that is an early sign of the disease. Posies, or bouquets of flowers, were worn to disguise the terrible smell of the infection.

47 The third line refers to the burning of infected corpses.
The Black Death The third line refers to the burning of infected corpses. The final line is about almost everyone infected with the Black Death eventually died, or fell down.

48 In a one paragraph response complete the following writing activity.
The Black Death Writing Activity: In a one paragraph response complete the following writing activity. Write a newspaper article, or current event describing the arrival of the plague on your city and exactly what is happening to the people around you.


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