Appendix figure
Appendix Figure 1. Ct values when the RdRP gene andE gene were targeted by using nasopharyngeal swabs and sputum specimens to detect SARS-CoV-2 on the basis of the days after symptom onset in the severe group
Appendix Figure 2. Ct values targeting the RdRP gene andE gene by using nasopharyngeal swabs and sputum specimens to detect SARS-CoV-2 on the basis of the days after symptom onset in the mild group
Appendix Figure 3. Chest radiograph scores according to the days after symptom onset