inclusion criteria: - adult men and women age 18-80 years - non-pregnant or breast-feeding women - had mild to moderate symptoms as defined by the world health organization (who) severity score for covid-19 mild disease was defined as cough , runny nose,anosmia, fever, diarrhea without dyspnea or tachypnea. moderate disease was defined as pneumonia but with oxygen saturation more than 90 percent

inclusion criteria: - adult men and women age 18-80 years - non-pregnant or breast-feeding women - had mild to moderate symptoms as defined by the world health organization (who) severity score for covid-19 mild disease was defined as cough , runny nose,anosmia, fever, diarrhea without dyspnea or tachypnea. moderate disease was defined as pneumonia but with oxygen saturation more than 90 percent