Some doctors say the dicsease progresses in stages, and by the third one, the body harms itself more than the virus does.Learn more about this story atFind more videos like this atFollow Newsy on Facebook: Follow Newsy on Twitter: ace2 receptorsadaptive immunityaffectsbody attacked by viruscoronaCoronaviruscovidCOVID-19COVID-19 immune systemCOVID19doctorhealthhealth care workersIMMUNEimmune responseimmune systemIMMUNITYinnate immunitySYSTEMvideoVIRUSVITAMINvlogYouTube
