Will we ever reach herd immunity? Top doctors say it may never happen. “It’s sad,” said UCSF’s Dept. of Medicine Chair Dr. Bob Wachter. “It’s possible we will never reach herd immunity.”#coronavirus #covid19 #herdimmunity 39Webay area covid casesbay area covid newsbay area masksbob wachterCalifornia covidcdc mask mandateCoronaviruscovid casescovid in bay areaCovid mask mandateCOVID-19COVID19covid19 immunitydelta variantdoctorhealth guidelines bay areaHerdherd immunityimmune systemIMMUNITYimmunity39is there a mask mandateMask Mandatenew mask mandatenewsReachTOPucsfUCSF39svideoVITAMINvlogYouTubeRelated 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