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Timeline for the 10 patients encountered lung lesions after admission. Zero means last contact, distinct periods are shown as onset (gray), isolation (green), admission (blue), and first abnormal CT findings (orange). The time of onset, isolation, admission, and last contact of the patient 3 and 6 were on the same day. The time of isolation, admission and last contact of the patient 28 and 46 were on the same day.
