Oct.12 — World Health Organization Director-General Tedros Adhanom Ghebreyesus says herd immunity has never been used as a strategy for responding to an outbreak as it is “scientifically and ethically problematic.” bloombergchiefCoronaviruscovidCOVID-19COVID-19 immunityCOVID19ethicallyHerdherd immunityimmune systemIMMUNITYproblematicstrategyvaccinesvideoVITAMINvlogworld health organzaiationYouTubeRelated 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