inclusion criteria: age 18 year or older. either gender currently admitted to hospital. there is a pcr-positive sample for sars-cov-2 within the past 21 days. the sample can be a nasal or pharyngeal swab, sputum, tracheal aspirate, broncho alveolar lavage, or another sample from the patient who modified ordinal clinical scale 3-5

inclusion criteria: age 18 year or older. either gender currently admitted to hospital. there is a pcr-positive sample for sars-cov-2 within the past 21 days. the sample can be a nasal or pharyngeal swab, sputum, tracheal aspirate, broncho alveolar lavage, or another sample from the patient who modified ordinal clinical scale 3-5