Vitamin D plays a vital role in keeping the immune system in fighting form. Dilshad Burman speaks with health expert Bryce Wylde about the role of the sunshine vitamin in defending against viruses and infections. cftryoutubecitynewsyoutubeCoronavirusCOVID-19COVID19COVID19 immune systemdefensefluIMMUNEimmune systemIMMUNITYregion=torontoregion=toronto680newsregion=torontocitynewssection=localshow=citynewsshow=covid19newssrc=citynewsvideoVITAMINvlogYouTube