Examlex
Which of the following data elements is placed higher than records in the database hierarchy?
Epidemic
Occurs when the number of cases of a particular disease during a particular time period is significantly higher than might otherwise be expected.
Pandemic
Occurs when a significantly higher number of cases of a disease also spreads through an especially large geographical region spanning many countries or even continents.
Epidemiology
The study of disease patterns to understand the cause of illnesses, how they are spread, and what interventions to take.
Epidemiologists
Professionals who analyze the spread, control, and prevention of diseases within populations.
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