Created at	Source	Raw Value	Validated value
July 16, 2021, 6 a.m.	usa	Time to Alleviation or Improvement of COVID-19 Symptoms (21.5 hours)	Time to Alleviation or Improvement of COVID-19 Symptoms (21.5 hours)
May 19, 2021, 12:31 a.m.	usa	Time to Alleviation or Improvement of COVID-19 Symptoms	Time to Alleviation or Improvement of COVID-19 Symptoms