An epidemic that arises from horizontal transmission and where the number of cases slowly rises and then falls is said to be of what type?

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A propagated epidemic arises from horizontal transmission and is characterized by a slow rise in the number of cases followed by a gradual decline. This type of epidemic is usually caused by a contagious agent spreading from person to person through direct or indirect contact. A common-source outbreak is a rapid increase in cases caused by exposure to a common source of infection. A sporadic disease occurs as isolated cases with no clear pattern or connection. A pandemic refers to a worldwide spread of a disease.

An Epidemic That Arises from Horizontal Transmission and Where the Number