From 18 January 2020, the weekly overall mean lag time from onset to diagnosis showed a decreasing trend from 14.3 to 2.0 d.
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Wuhan's experience in curbing the spread of coronavirus disease (COVID-19).
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The sentences
The weekly hospitalization rates of all severity levels generally showed a decreasing trend from 18 January to 14 February 2020, which subsequently became an increasing trend over the next fortnight.