Corton's effect in improving patients with covid-19 Definitive diagnosis based on Covid-19 test result At least 7 days have passed since the onset of symptoms and at least 5 days of antiviral treatment Oxygen saturation level less than 93

Corton's effect in improving patients with covid-19 Definitive diagnosis based on Covid-19 test result At least 7 days have passed since the onset of symptoms and at least 5 days of antiviral treatment Oxygen saturation level less than 93