Created at	Source	Raw Value	Validated value
Oct. 26, 2020, 11:31 p.m.	usa	Prevention Study: Measure the effect of NORS on the prevention of COVID-19 infection among health care professionals at risk of exposure to COVID-19;Treatment Sub Study: Measure the efficacy of NORS at reducing the progression of COVID- 19	Prevention Study: Measure the effect of NORS on the prevention of COVID-19 infection among health care professionals at risk of exposure to COVID-19;Treatment Sub Study: Measure the efficacy of NORS at reducing the progression of COVID- 19