Scientists infected volunteers with COVID-19 - here's what they found
The aim of the study was to see exactly what happens in the body from the moment of exposure to COVID-19 and until recovery.
Test tubes labelled "COVID-19 Omicron variant test positive" are seen in this illustration picture taken January 15, 2022. (photo credit: REUTERS/DADO RUVIC/ILLUSTRATION)ByWALLA!Updated:
