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| a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal | ||||
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| an epidemic that is geographically widespread; occurring throughout a region or even throughout the world | ||||
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| a widespread outbreak of an infectious disease; many people are infected at the same time | ||||
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| epidemic over a wide geographical area | ||||
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| any epidemic disease with a high death rate |