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epidemic – n. an occurrence in which a disease spreads very quickly and affects a large number of people
resource – n. a supply of something that can be used when it is needed
extensive – adj. large in size or amount; very full or complete
benefit – n. something that produces good or helpful results
license – n. official permission for something
properly – adj. exactly correctly; demonstrating good behavior
outbreak – n. a sudden start or increase of fighting or disease
dose – n. the measured amount of a drug, to be taken at any one time
