Introduction by Alan Kadish, M.D., president, and moderated by Edward C. Halperin, M.D., M.A., chancellor and chief executive officer, this symposium is the sixth in the series, September 24, 2020. CoronavirusCOVID-19COVID19COVID19 immune systemimmune systemIMMUNITYlearnedquotWhatSixthSymposiumvideoVITAMINvlogYouTubeRelated Posts COVID’s New Variant Is Spreading Faster Than Expected April 16, 2026 These Aren’t Just Hormone Problems April 16, 2026 New COVID Variant ‘Cicada’ Spreading Across U.S. | Seniors at Highest Risk April 15, 2026 Persistent immune activation and MS explosion #diseaseprevention April 13, 2026 Cicada COVID Variant Spreading in U.S. | What Doctors Want You to Know Now April 12, 2026 New COVID Variant Affecting Kids April 7, 2026