Not all outbreaks spread the same way. Some happen all at once, others unfold in waves, and some continue for long periods of time. The difference often comes down to how people are exposed.

In this episode, we break down single, multiple, and continuous exposures in epidemiology using clear definitions, real-world examples, and simple explanations of epidemic curve shapes. Understanding these exposure types helps explain why certain outbreaks explode quickly while others persist over time.

This beginner-friendly overview is designed to build strong foundations in epidemiologic thinking and outbreak analysis.

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