Category Archives: Week 4 (10/1)

Dr. John Snow and the Broad Street Pump – Chhada Nathan Kabariti

The prevailing theory during the cholera outbreak of 1854 was that infectious and contagious diseases were spread by a general miasma: a pollution of the atmosphere that became malignant when combined with the emissions of organic decomposition from the earth. … Continue reading

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The Road to Modern Day Medicine

During the 19th century, several chemists/biologists contributed a great deal to the advancement of modern day medicine. The basis for the advancement of medicine lies primarily in the discovery of the causation of disease. The contagion theory stipulated that disease … Continue reading

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Questions: Week 4, Emergence of the Germ Theory

1. What was “contagionism” to mid-19th century physicians and early epidemiological researchers like Ignaz Semmelweis and John Snow? How did they challenge and/or revise earlier interpretations of the contagionist theory? 2. What were the steps by which John Snow developed … Continue reading

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