Doctor turned author says Vitamin D can lessen the coronavirus affectsSubscribe to WLKY on YouTube now for more:Get more Louisville news: Like us: Follow us: Instagram: affectsauthorCoronavirusCOVID-19COVID19doctorDoctor turned author says Vitamin D can lessen the coronavirus affectsimmune systemIMMUNITYLessenLouisvilleturnedvideoVITAMINvitamin CoronavirusvlogYouTube
