alleryStart learning →An epidemic that has spread over several countries or continents and affects large numbers of people is called what?
AA pandemic
BAn outbreak
CA cluster
DHyperendemic
Answer & Solution
Correct answer: A. A pandemic
1. Epidemic means cases above the expected level in a population and area.
2. When that increase crosses several countries or continents and affects large numbers, it is called a pandemic.
3. Outbreak is used for an increase limited to a localised area, which is the opposite of continental spread.
4. Hyperendemic means persistent high levels of disease rather than a spreading increase.
_Source: CDC Principles of Epidemiology in Public Health Practice, 3rd Edition, section Level of Disease_
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