Inclusion Criteria:  Patients aged ≥ 18 years Patients diagnosed with COVID-19 infection and pneumonia Patients who have voluntarily decided to participate in the study and signed the informed consent form If a patient cannot provide consent on his or her own, informed consent by a legally authorized representative may be obtained.  Exclusion Criteria:  Patients with history of hypersensitivity to the study drug Female patients, either who are or may be pregnant or who are breastfeeding, or female patients of child-bearing potential who are unable to use adequate contraception during the study Patients who are deemed to ineligible to participate in the study for other reasons by the investigator