1. Those with full understanding of the clinical study and agreeing with the participation of the clinical study voluntarily in writing, or with a deputy granted with legal authority of the relevant patient if he/she is unable to agree with the clinical study in person 2. Adults aged at 19 or above at the time of screening examination (according to the legal age for adult in each country) 3. Diagnosis of COVID-19 including a positive RT-PCR for SARS-CoV-2 within 4 days prior to administering the IP 4. mild or moderate patients who have the following conditions at screening and confirm at randomization at randomization 5. etc...

1. Those with full understanding of the clinical study and agreeing with the participation of the clinical study voluntarily in writing, or with a deputy granted with legal authority of the relevant patient if he/she is unable to agree with the clinical study in person 2. Adults aged at 19 or above at the time of screening examination (according to the legal age for adult in each country) 3. Diagnosis of COVID-19 including a positive RT-PCR for SARS-CoV-2 within 4 days prior to administering the IP 4. mild or moderate patients who have the following conditions at screening and confirm at randomization at randomization 5. etc...