HIST 223 Lecture Notes - Lecture 1: Chagas Disease, Ecological Stability, Pleurisy
9 Apr 2016
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Lecture jan 5- epidemics, death and depopulation 04/08/2016 (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) We are beneficiaries of depopulation- opened up resources. 1. old world"s long history of endemic and epidemic diseases. Black death killed 1/3 of europe"s pop in 14th c. Ecological stability, frequent contact, tended to create mutual toleration, conferring various degrees of immunity, crude stability b/w parasites/pathogens and human host population (cid:1) (cid:1) Virgin soil epidemics: disease has no prior history/exposure in an area, people have no chance to develop an immunity (cid:1) (cid:1) Smallpox in japan took our 1/3 of pop. End of 15th c, unified disease env across western hemisphere, various degrees of immunity across old world (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Americas had no eruptive fevers yet (smallpox, measles, typhus) Some diseases held in common- encourages migration theory. Some native to new world: leishmaniasis, chagas disease. Europeans and africans introduced diseases (smallpox, measles, influenza, whooping cough ) (cid:1) (cid:1)
