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
D. Effects of plague in Europe 1. Depopulation leads to breakdown of community 2. Becchini 3. Failure of quarantine
4. Violent anti-Semitism 5. Flagellism 6. Clergy lost power 7. Feudal system broke down
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?
1. Aztecs in Mexico 2. Incas of Peru 3. American Indians in Mississippi Valley
IV. Intentional Germ Warfare A. Plague associated with war B. Civil War - use of yellow fever C. Aum Shinrikyo cult in Japan
V. Anthrax A. US mail system was attacked B. What is anthrax? C. Effects on mail system
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
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- Fall '09
- Bubonic Plague, Germ Warfare, B. Bubonic plague