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Pfizer says 3rd shot could “strongly” boost protection against the Delta variant | ABC News
avnblogfeed November 4, 2021 36 Comments on Pfizer says 3rd shot could “strongly” boost protection against the Delta variant | ABC News
As a national debate rages over masks, Pfizer now says a third COVID-19 shot could “strongly” boost protection against the highly contagious Delta variant. Plus,…