Surviving rats develop immunity and the human epidemic ends 5 This cycle is

Surviving rats develop immunity and the human

This preview shows page 8 - 15 out of 15 pages.

4. Surviving rats develop immunity and the human epidemic ends 5. This cycle is repeated about every 20 years, so human epidemics recur once a generation
Image of page 8
D. Effects of plague in Europe 1. Depopulation leads to breakdown of community 2. Becchini 3. Failure of quarantine
Image of page 9
4. Violent anti-Semitism 5. Flagellism 6. Clergy lost power 7. Feudal system broke down
Image of page 10
E. Plague disappeared by itself - nobody knows why 1.Subtle mutation of the bacteria? 2.Subtle change in the ecology of rats and fleas? 3.Shift from black rat to brown rat in cities?
Image of page 11
1. Aztecs in Mexico 2. Incas of Peru 3. American Indians in Mississippi Valley
Image of page 12
IV. Intentional Germ Warfare A. Plague associated with war B. Civil War - use of yellow fever C. Aum Shinrikyo cult in Japan
Image of page 13
V. Anthrax A. US mail system was attacked B. What is anthrax? C. Effects on mail system
Image of page 14
D. Bio-weapons difficult to produce and handle E. The threat from bio-warfare is real, but relatively low F. The public health system is poorly prepared to deal with bio-warfare
Image of page 15

You've reached the end of your free preview.

Want to read all 15 pages?

  • Fall '09
  • Hansell
  • Bubonic Plague, Germ Warfare, B. Bubonic plague

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture