Johnson & Johnson says its Covid booster shot prevents severe infection

The results come as many developed nations turn to booster shots to address waning protection from some vaccines and the rise of the more infectious delta variant

The results come as many developed nations turn to booster shots to address waning protection from some vaccines and the rise of the more infectious delta variant https://ift.tt/2XKlYiu September 21, 2021 at 12:59AM

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