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Spread

Definition

Spread refers to the process by which something, in this case, diseases, extends or is transmitted from one place to another. It involves the movement and diffusion of infectious agents through various pathways.

Analogy

Think of spread like a ripple effect when you drop a pebble into a pond. The impact creates waves that expand outward, reaching further distances gradually.

Related terms

Contagious: Contagious refers to diseases that can be easily transmitted from person to person through direct contact, respiratory droplets, or touching contaminated surfaces.

Transmission Pathways: Transmission pathways are the routes or methods by which diseases spread among individuals. Examples include airborne transmission, waterborne transmission, or vector-borne transmission.

Diffusion: In geography, diffusion refers to the process of spreading ideas, innovations, behaviors, or phenomena across space and time. It can also apply to the spread of diseases.

"Spread" appears in:

Practice Questions (19)

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.