Dr Chaffoo talks with Fox 5 San Diego’s Shally Zomorodi about the recent study results that talked about the correlation between Vitamin D Deficiency and the coronavirus severity. 2020CoronavirusCOVID-19COVID19DeficiencyFOX5immune systemIMMUNITYLinkedseverityvideoVITAMINvitamin COVID-19vlogYouTube