EEMB 40.notes

EEMB 40.notes - EEMB 40 12/07/2010 06:03:00 Lecture 1:...

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Unformatted text preview: EEMB 40 12/07/2010 06:03:00 Lecture 1: Cholera The Victorian Era (1837-1901) Very shocking disease for a society. As a disease, it undermined the bourgeoisie existence. The middle class view was that it was the poors fault. Although it could strike anyone in society, the poor was more at risk because of the tight living spaces, contamination, etc. They did not have the resources to flee epidemics. Third Cholera Pandemic 1852-1860 8 cholera pandemics in the last century Miasma Theory o The theory that diseases were caused by miasma or bad air arising from organic decay, filth, or other conditions of the local environment Joseph Bazalgette (1819-1891) The unknown savior of public health Assumed that flush toilets will become universally needed. Worked out the diameter of the pipes and the density and doubled it. John Snow 1813-1858 London 1854 o Deaths due to Cholera Southwark and Vauxhall Water Comp. (water obtained from London)70 per 100,000 mortality rate Lambeth Water Company (water obtained upstream from London)5 per 100,000 mortality rate Golden Age of Microbiology 1850-1890 Louis Pasteur o Relevant work: 1860s-1880s Robert Koch o Relevant work: 1880s-1900s Germ Theory: The theory that microorganisms are the cause of many diseases. Highly controversial when first proposed c.f. miasma theory. Max Joseph von Pettenkofer o His theory was the microorganisms from the smell can cause infection. He didnt believe that the microorganisms themselves were infectious. He asked Koch to send him the sample cholera bacteria. o He consumed the bacteria but didnt contract the disease. Explanation is that he has been exposed to cholera previously. Or because he was in good physical health (wealthy and prime age). However, his lab assistants contracted cholera and died. Epidemiology: the branch of medicine that deals with the study of the causes, distribution, and control of disease in populations....
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This note was uploaded on 06/08/2011 for the course EEMB 40 taught by Professor Latto during the Summer '08 term at UCSB.

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EEMB 40.notes - EEMB 40 12/07/2010 06:03:00 Lecture 1:...

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