Exam Review of Epidemiology

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Published on 6 Jul 2011
School
UTSC
Department
Health Studies
Course
HLTB21H3
Plagues and Diseases
Epidemiology
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- Leprosy [Mycobaterium Leprae]
- Usually high rates in Brazil, Africa, India, Southeast Asia
- Affect people of all races everywhere, affects 10-14 and 35-44 year old people
- Rarely in infants
- Ninebanded Armadillo experiment: Tested on armadillos as the bacteria mutates
and incubates 6m to 4yrs, as opposed to 6yrs in humans
- Shows low body temperature may promote disease
- Had concerns of infection from armadillos to humans
- Darcy island and Tracadie, New Brunswick
- Darcy: Chinese railway laborers in 1890s, and isolated them
- Tracadie: Sailor introduction, spread through families to neighbors, and
people were left unattended + little care
- Sheldrake island for Lazaretto where a group of 18 lepers were admitted
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- Tuberculosis [Tubercle Bacillus]
- 1/3 of world infected
- 1/3 develops active of the infected
- 95% in developing countries
- Highest in countries with low GDPs
- Global emergency in 1993
- Canada rates declined post WWII, rose up in 2006 again [most in Nunavut]
www.notesolution.com
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Document Summary

Usually high rates in brazil, africa, india, southeast asia. Affect people of all races everywhere, affects 10-14 and 35-44 year old people. Ninebanded armadillo experiment: tested on armadillos as the bacteria mutates and incubates 6m to 4yrs, as opposed to 6yrs in humans. Shows low body temperature may promote disease. Had concerns of infection from armadillos to humans. Darcy: chinese railway laborers in 1890s, and isolated them. Tracadie: sailor introduction, spread through families to neighbors, and people were left unattended + little care. Sheldrake island for lazaretto where a group of 18 lepers were admitted. Canada rates declined post wwii, rose up in 2006 again [most in nunavut] www. notesolution. com. Residence / vistors born in countries with high tb rates contribute to 2/3 of incidences. Risks: epidemiological t riad [host [younger susceptible and females under 30 higher mortality], environment [overcrowding, food, work], virus] Fatality 30% of all, 80% children under 5. 2-10% fatality for children in developing world.

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