SARS-CoV-2 viral RNA level
Saliva SARS-CoV-2 RNA turned negative on day 8 in 42.9% (3/7) of patients in the demeclocycline 150 mg group and 50.0% (2/4) in the demeclocycline 300 mg group, in contrast to only 16.7% (1/6) in the control group (as shown in Table 