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EPIDEMIOLOGY - EPIDEMIOLOGY . Londonin18481849...

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EPIDEMIOLOGY   This is the science that studies when and where diseases occur and how they are transmitted.  This science began when Dr. John Snow traced an outbreak of cholera to contaminated water in  London in 1848-1849.    An epidemiologist is looking for the cause of the disease, the original source, and the connection  between cases of the disease, as well as any other factors that might help in understanding of a  disease outbreak. The next step is ending a current outbreak and  preventing outbreaks in the  future.    Strategies for controlling a disease include: I. Use of drugs II. Immunization III. Control of reservoirs of infection IV. Water treatment V. Sewage disposal VI. Cold storage of food VII. Adequate cooking VIII. Food inspection IX. Pasteurization   Type of investigations that may be carried out: 1. Descriptive epidemiology--all relevant information is collected
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  2. Analytical epidemiology 
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  • Fall '09
  • SMITH
  • Dr. John Snow, epidemiology­­all relevant information, control method­­identifies factors, Experimental epidemiology­­a hypothesis

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