Epidemiology of Disease

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An epidemiological approach works well for diseases where etiology is known, but also for diseases where the cause is not known … Example November 1986: BSE first diagnosed in Great Britain As <strong>of</strong> March 1, 2007, ~181,000 confirmed cases After 1 st 200 cases, epidemiological investigations identified that meat and bone meal was the vehicle <strong>of</strong> transmission The [relatively] prompt ban (July 1988) on feeding meat and bone meal prevented an even larger epidemic than the one observed
So…if We Can Manage Risk, We Can Manage Dz, Even if We Don’t Know the Exact Cause Department for Environment, Food and Rural Affairs (http://www.defra.gov.uk/)
Page 1 and 2: May 1, 2007 POPH 5160: Infectious D
Page 3 and 4: Overview of this Session… Descri
Page 5 and 6: Epidemiology The study of the caus
Page 7: What’s the Relevance to a Veterin
Page 11 and 12: Infectious Disease Transmission A c
Page 13: Dynamics of Intramammary Infections
Page 16 and 17: Temporal Patterns of Disease Patte
Page 18 and 19: Temporal patterns of disease Epide
Page 20 and 21: Common Source Epidemic Curve 15 12
Page 22 and 23: Propagated Epidemic Curve 15 12 Num
Page 24 and 25: Factors Influencing Disease Transmi
Page 34 and 35: Epidemiological Triads and the “I
Page 36 and 37: Four Common but Serious Mistakes Du
Page 38 and 39: Four Common but Serious Mistakes Du
Page 40 and 41: Hazards Analysis and Critical Contr
Page 42 and 43: Conclusions Diseases normally do n

Epidemiology of Disease

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