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Plagues And People

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Plagues and People Kyle DeKlerk Man the Hunter Balance between parasites and host Cultural evolution creates disruption Major steps away from balance skills and tools to hunt (as early as…
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  • Added: May, 12th 2011
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Content Preview
  1. Plagues and People Kyle DeKlerk
  2. Man the Hunter
    • Balance between parasites and host
    • Cultural evolution creates disruption
    • Major steps away from balance skills and tools to hunt (as early as 4 mil yrs ago), language, and clothes led to civilizations
  3. Man the Farmer
    • Humans shaped environment
    • Changed diseases
    • Irrigation helped diseases thrive
    • Africa (malaria and mosquito)
    • Viral diseases thrived in almost all civilizations because of growing population
    • Unusual because of Immune system
  4. Man the Farmer cont.
    • Many diseases shared with domesticated animals
    • Poultry 26, Rat 32, Horse 35, Pig 42, Sheep 46, Cattle 50, Dog 65
    • Bubonic Plague (rats)
    • Lassa fever Uganda 1969 (rodents)
  5. China
    • China great power began moving south
    • Large difference in climate between North and South
    • More parasites in South than in North
    • Chinese historiographer recorded from 145 B.C.- 87 B.C. low population in South China males seemed died at a young age
    • Chinese able to thrive
  6. India
    • Irrigation of the Ganges vital to multiple harvests
    • Irrigation helped keep viruses alive
    • Surplus was maintained and population grew
  7. Mediterranean
    • Trade was important
    • Very cramped passed on infections easily
    • Hippocrates recorded many diseases in ancient Greece
    • Population able to grow
  8. Eurasia
    • By the Christian Era India, China, Mediterranean 50 mil
    • Unbalance between parasites and human host
    • Civilizations vulnerable to unfamiliar infections
    • All 3 suffered from outbreaks
  9. Eurasia cont.
    • Infections began to come up unexpectedly probably due to trade
    • Unexpected death strained society especially in Rome around 100 A.D.
  10. Mongol Rule
    • Mongols took over Asia
    • Re-established trade
    • Some small epidemics
    • Brought rats and items infected with Bubonic Plague
    • Very deadly
    • Small scale reoccurrence in late 1800’s and again early 1900’s
  11. Transoceanic Exchanges
    • Not much evidence in America before European control
    • Spaniards defeated Aztecs (Smallpox)
    • Less advanced than Eurasia
    • Some diseases but much better balance
    • Smallpox Hispaniola 1518 Cortez in America 1520
  12. Transoceanic cont.
    • Syphilis and typhus to Europe during war time possibly from trade with Americas
    • Maize, potatoes, tomatoes, chili peppers, peanuts, and manioc brought infections
  13. Medical Science
    • First steps were religious sometimes good sometimes bad
    • Gradually began to develop
    • By the 15 th century Italy began quarantine
    • Bubonic plague helped cope with syphilis
    • Treatment for syphilis trial and error
  14. Medical Science cont.
    • Food production and diet
    • Healthier crops
    • More cattle feed better cattle feed
    • Malaria carrying mosquito like cattle blood but Malaria virus can’t survive in cattle
    • More protein helped the immune system
    • Better hygiene laws (waste removal)
  15. Conclusion
    • First Man and parasites lived in a balance
    • Cultural evolution of man disrupted balance
    • Less frequent more deadly viruses

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