What is herd immunity and how would it work with COVID-19? Raj Govindaiah, MD, senior vice president and chief medical officer, explains what herd immunity means and how to relates to COVID-19. CoronavirusCOVID-19COVID19covid19 immunityFAQsGovindaiahimmune systemIMMUNITYquickRajvideoVITAMINvlogYouTubeRelated 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