Chapter 4 - Epidemiology: The Basic Science of Public Health Flashcards
What is the Greek meaning of the word epidemic?
upon the people
Epidemic
An increase in the frequency of a disease above a usual and expected rate (the endemic rate)
What is the ultimate goal of epidemiology?
to control and prevent the spread of disease
What are the three main questions posed in “shoe leather epidemiology”?
- Who is getting the disease?
- Where?
- When?
John Snow
Father of modern epidemiology
Cholera
Epidemiologic Surveillance
Government system requiring that certain “notifiable” disease be reported as soon as they’re diagnoses.
What are some “notifiable” diseases? (There are 60 on the federal level)
Tuberculosis, hepatitis, measles, syphilis…
Are signs of bioterror attacks reported?
Yes
Can physicians report questionable illnesses to the CDC?
Yes; this helped start the investigation into AIDS
Prospective Cohort Study
Following large numbers of people over extended periods of time.
What is the most reliable kind of epidemiologic study for investigating causes of chronic diseases?
Prospective cohort studies
What does epidemiology study?
the patterns of disease occurrences in populations and the factors that influence these patterns