Created at	Source	Raw Value	Validated value
April 10, 2021, 12:31 a.m.	usa	Phase 1 Unexpected serious adverse events;Phase 2 Patients turning COVID-19 negative (RT-PCR negative);Phase 2 Patients turning COVID-19 negative (RT-PCR Negative)	Phase 1 Unexpected serious adverse events;Phase 2 Patients turning COVID-19 negative (RT-PCR negative);Phase 2 Patients turning COVID-19 negative (RT-PCR Negative)