ANTC68H3 Lecture 11: Cholera lec 11
9 Apr 2020
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Document Summary
Omrans"s epidemiological transition: the age of pestilence and famine, life expectancy between 20 and 40, age of receding pandemics, pandemics and marked peaks, life expectancy about 30-50, varying, age of degenerative diseases, life expectancy around 70. Access to medical facilities: hospital, clinics, welfare clinics. Silent: individual is asymptomatic or has sub clinical disease. Infected individuals who can pass the infection on to others are considered infectious: can included carriers those infected but showing no signs of disease. Often it is impossible to identify one sole factor as the cause of death. 3 types: acute infection: short lived, chronic infection : long standing condition ; perosn may persistently infectious, latent infection: persisitent infection which can reoccur. Epidemic: disease suddently appears to attack many people in the same region at roughlt the same time. Pandemic: epidemic becomes idely distributed throughout a region, continent or globe. Communication has changed dramatically (days to hours)
