HLT 3381 Chapter 3: Epidemiology: The Study of Disease, Injury, and Death in the Community
31 Jan 2019
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History of epidemiology: hippocrates suggested a relationship between disease and physical environment, dr. john snow cholera outbreak, shoe leather epidemiology: going door to door to collect information. Incidence, prevalence, and attack rates: two types of morbidity rates. Incidence rate: the number of new health-related events or cases of a disease in a population exposed to that risk in a given time period, divided by the total population at risk. Reporting of births, deaths, and diseases: notifiable diseases: diseases for which health officials request or require reporting for public health reasons. Infectious diseases that can become epidemic: more than 80 diseases as of 2016, states may require the reporting of additional diseases. Standardized measurements of health status of populations: mortality statistics, particularly infant mortality, are the single most reliable indicator of a population"s health status. Health-adjusted life expectancy (hale: healthy life expectancy, the number of years of healthy life expected, on average, in a given population.
