Chloroquine-resistant malaria occurs in most of Africa, the Middle East, and Asia and all of the South Pacific islands. This type of disease occurrence is known as:
A) Endemic
B) Epidemic
C) Pandemic
D) Outbreak
Ans: A
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An endemic disease, infection, or infectious agent occurs when it becomes prevalent within a population or geographic area. An epidemic or outbreak refers to a significant increase in an infection or infectious disease beyond the expected (endemic) level in a certain population and/or geographic area. A pandemic is an epidemic that generally spreads worldwide. The use of "outbreak" in this text is synonymous with epidemic.
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