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prevalence

n.
1.the quality of prevailing generally
2.(epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population
3.a superiority in numbers or amount

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  • Idiom of the Day

    so soon
    early, before the regular time
    I did not expect the dinner to end so soon. It was still very early.



    1.
    She ________ admirably under very difficult circumstances.

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