History
Occurrence of cases among population at level that exceeds normal or expected levels
Epidemic
Trends are graphically displayed through
Line graph
Number of new cases in a population at risk over a time period is called
Incidence
Is variability a defining feature of big data ?
No
Who is called the father of epidemiologist in recognition of his groundbreaking contribution.
John Snow
Qualitative data is graphically represented through
Bar chart or pie chart
Number of cases in a population in a given period of time is called
Period prevalence
Name the system that records birth and death data
National Vital registration system
Describe descriptive epidemiology
Type of epidemiologic studies that describe the person, place, time characteristics of populations
Define stratified random sampling
Which mortality indicator is used for international comparison of health systems
Infant mortality rate
Most common type of surveillance system used in health systems is
Passive surveillance
Define endemic
Occurrence of cases among the population at a normal or expect levels
Binomial data is tabulated as
Contingency table
What is Attack rate?
It is a proportion of the number of people who got ill among those who were exposed
Type of survey that looks at children's growth and development
NHANES
Describe the contribution of Edward Jenner in history of epidemiology
Edward developed the method that showed the immunity to smallpox and thus led to development of vaccine
Which central measure of tendency and measure of dispersion will be used for normally distributed data ?
Mean, Standard Deviation
Outbreak of epidemic due to no common source is called _____ source epidemic
Propagated
Describe syndromic surveillance?
Use of health-related data to identify illness clusters through symptoms before diagnosis is confirmed.