Why Herd Immunity From COVID Is ‘Mythical’ With Delta Variant https://childrenshealthdefense.org/defender/covid-nw-why-herd-immunity-from-covid-is-mythical-with-delta-variant/?utm_source=salsa&eType=EmailBlastContent&eId=0633cfd0-ea8a-4fa4-81f4-592754f638a7
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