Dr. Jen Ashton explains why coronavirus cases may increase and what you can do to protect yourself. ampashtonCoronavirusCOVID-19COVID19dr.Fallhealthimmune systemIMMUNITYJenp_cmsid=2494279p_vid=news-73836565pandemicseasonsSurgevideoVIRUSVITAMINvitamin covid19vlogWinterYouTube