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Is quarantine useful only for diseases in which transmission is possible before the onset of symptoms?

April 26, 2017diseases onset possible quarantine symptoms transmission useful

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Is quarantine useful only for diseases in which transmission is possible before the onset of symptoms?

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No. Although quarantine clearly has benefits for prevention of diseases in which the period of communicability precedes onset of symptoms, a second, often overlooked, benefit is relevant to diseases such as SARS, in which infectiousness is likely to coincide with the onset of symptoms.