PMC7653018_01
Representative computed tomographic images of three time points. January 26, 2020, day of first fever; February 9, 2020, day of second fever and diagnosis of coronavirus disease (COVID-19); February 26, 2020, 2 days before discharge. Areas of pneumonia are marked with red circles.
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F1
Meanwhile, no abnormal signs were found during physical examination and no sign of pneumonia was found on chest computerized tomography (CT) (Figure 1). Physical examination found no obvious positive sign, but the chest CT showed multiple flaky ground-glass opacities and patches in the right lung, suggestive of viral pneumonia (Figure 1). In late February, his symptoms were relieved in part or totally (Table 1), and the chest CT taken on February 26, 2020 revealed a marked resolution of pneumonia (Figure 1).
Change in total lymphocytes (dark blue) and T lymphocytes (purple) during hospitalization. The number of total lymphocytes reached the lowest at 0.12 x 109 cells/L on February 9, 2020. The lower limit of the normal range of total lymphocytes and T lymphocytes is marked in the figure (dashed line).
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F2
During the hospitalization, we found the lymphocyte counts were highly correlated with the change of disease (Figure 2).