1. Aged 18 to 75 years male or female, willing to sign the informed consent, 2. Tested positive for novel coronavirus infection after the onset of symptoms using a real time polymerase chain reaction (RT-PCR)-based diagnostic assay, 3. Enrollment and initiation of study drug treatment <=96 hours after onset of symptoms, 4. No difficulty in swallowing the pills, 5. Willing to abide by the protocol.

1. Aged 18 to 75 years male or female, willing to sign the informed consent, 2. Tested positive for novel coronavirus infection after the onset of symptoms using a real time polymerase chain reaction (RT-PCR)-based diagnostic assay, 3. Enrollment and initiation of study drug treatment <=96 hours after onset of symptoms, 4. No difficulty in swallowing the pills, 5. Willing to abide by the protocol.