key inclusion criteria: 1. over 19 years of age 2. covid-19 confirmed by a real-time rt-pcr tests 4 days prior to clinical trial enrollment 3. patients with peripheral capillary oxygen saturation (spo2) greater than 94% at the time of screening 4. patients whose body temperature is measured according to the measured area without taking a fever reducer during screening: \[armpit of greater than 37.0 °c or an oral of greater than 37.2 °c; patients with rectum greater than 37.6 °c or eardrum greater than 37.5 °c\] (notes: although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.) 5. patients with evidence of lung invasions as a result of radiation tests

key inclusion criteria: 1. over 19 years of age 2. covid-19 confirmed by a real-time rt-pcr tests 4 days prior to clinical trial enrollment 3. patients with peripheral capillary oxygen saturation (spo2) greater than 94% at the time of screening 4. patients whose body temperature is measured according to the measured area without taking a fever reducer during screening: \[armpit of greater than 37.0 °c or an oral of greater than 37.2 °c; patients with rectum greater than 37.6 °c or eardrum greater than 37.5 °c\] (notes: although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.) 5. patients with evidence of lung invasions as a result of radiation tests

key inclusion criteria: over 19 years of age covid-19 confirmed by a real-time rt-pcr tests 4 days prior to clinical trial enrollment patients with peripheral capillary oxygen saturation (spo2) greater than 94% at the time of screening patients whose body temperature is measured according to the measured area without taking a fever reducer during screening: [armpit of greater than 37.0 °c or an oral of greater than 37.2 °c; patients with rectum greater than 37.6 °c or eardrum greater than 37.5 °c] (notes: although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.) patients with evidence of lung invasions as a result of radiation tests

key inclusion criteria: over 19 years of age covid-19 confirmed by a real-time rt-pcr tests 4 days prior to clinical trial enrollment patients with peripheral capillary oxygen saturation (spo2) greater than 94% at the time of screening patients whose body temperature is measured according to the measured area without taking a fever reducer during screening: [armpit of greater than 37.0 °c or an oral of greater than 37.2 °c; patients with rectum greater than 37.6 °c or eardrum greater than 37.5 °c] (notes: although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.) patients with evidence of lung invasions as a result of radiation tests

key inclusion criteria: 1. over 19 years of age 2. covid-19 confirmed by a real-time rt-pcr tests 4 days prior to clinical trial enrollment 3. patients with peripheral capillary oxygen saturation (spo2) greater than 94% at the time of screening 4. patients whose body temperature is measured according to the measured area without taking a fever reducer during screening: [armpit of greater than 37.0 °c or an oral of greater than 37.2 °c; patients with rectum greater than 37.6 °c or eardrum greater than 37.5 °c] (notes: although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.) 5. patients with evidence of lung invasions as a result of radiation tests

key inclusion criteria: 1. over 19 years of age 2. covid-19 confirmed by a real-time rt-pcr tests 4 days prior to clinical trial enrollment 3. patients with peripheral capillary oxygen saturation (spo2) greater than 94% at the time of screening 4. patients whose body temperature is measured according to the measured area without taking a fever reducer during screening: [armpit of greater than 37.0 °c or an oral of greater than 37.2 °c; patients with rectum greater than 37.6 °c or eardrum greater than 37.5 °c] (notes: although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.) 5. patients with evidence of lung invasions as a result of radiation tests