1. Any situation that does not allow the program to proceed safely, 2. The patient may be transferred to a non-participating hospital within 72 hours, 3. Those who have continued to use immunosuppressive agents or organ transplants for the past 6 months, 4. Glucose-6-phosphate dehydrogenation Enzyme deficiency (faba bean disease) 5, 5. Patients treated with any of the antiviral drugs listed in the protocol during hospitalization before enrollment, 6. Those participating in other clinical trials. 7. Those who are allergic to ozone or hypersensitive.

1. Any situation that does not allow the program to proceed safely, 2. The patient may be transferred to a non-participating hospital within 72 hours, 3. Those who have continued to use immunosuppressive agents or organ transplants for the past 6 months, 4. Glucose-6-phosphate dehydrogenation Enzyme deficiency (faba bean disease) 5, 5. Patients treated with any of the antiviral drugs listed in the protocol during hospitalization before enrollment, 6. Those participating in other clinical trials. 7. Those who are allergic to ozone or hypersensitive.