Dr. Joseph Fair says the risk with the COVID-19 coronavirus is our lack of existing immunity to the new virus.MORE: availabilityCharlotteCoronavirusCOVID-19COVID-19 immunityCOVID19doctorhealthimmune systemIMMUNITYmecklenburgnorth carolinapreexistingsickvideoVIRUSVITAMINvlogYouTube
