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Chest CT images of the patient. (a) Multiple nodular and patchy high-density shadows on February 6; (b) Partial absorption of multiple nodular and patchy high-density shadows with ground-glass opacity on February 13; (c) Most absorbed with few parts of ground-glass opacity on March 5; (d) Normal CT image on April 29.
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The chest CT on February 6 showed multiple nodular and patchy high-density shadows in the bilateral lung areas (Figure 1a). Nonetheless, a chest CT scan on February 13 showed multiple nodular and patchy high-density shadows and ground-glass opacity, which was partially absorbed (Figure 1b). When the patient revisited the hepatology outpatient on March 5 after quarantine, the CT scan showed only a few ground-glass opacity, while the ALT level was elevated to 1,029 IU/L, following which he was admitted again to our department for chronic hepatitis B (CHB) (Figure 1c). CDC was confused about his COVID-19 test result, and hence, he was sent to our fever outpatient on April 29 to validate the test results. Chest CT and SARS-CoV-2 PCR did not show any specific abnormality (Figure 1d).
Timeline of this case after exposure.
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As of June 15, the patient was still under observation at home anxiously awaiting future test results (Figure 2).