Dr. Corey Hebert reviews the theory of herd immunity and how it works for some diseases.Subscribe to WDSU on YouTube now for more:Get more New Orleans news: Like us: Follow us: Instagram: CoronavirusCOVID-19COVID-19 immunityCOVID19Herdimmune systemIMMUNITYNew OrleansnolavideoVITAMINvlogworkYouTubeRelated Posts COVID’s New Variant Is Spreading Faster Than Expected April 18, 2026 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