Dr. Marc Jenkins talks with UMN Campus Public Health Officer Dr. Jakub Tolar about what vaccines are and how they work, and shares the work underway by UMN health sciences researchers to develop possible vaccines for COVID-19. camera phoneCoronavirusCOVID-19COVID19COVID19 immune systemDevelopmentsfreeimmune systemIMMUNITYMinnesotasharingUniversityuploadVaccinevideovideo phoneVITAMINvlogYouTubeRelated Posts 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 What to know about ‘Cicada,’ the new COVID-19 variant #shorts April 6, 2026 New ‘Cicada’ COVID variant detected as experts urge caution April 4, 2026 New COVID variant spreading April 2, 2026