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CDC recommends new booster shots to fight omicron

Vials of the reformulated Pfizer-BioNTech COVID-19 booster move through production at a plant in Kalamazoo, Mich. (Pfizer Inc.)
Vials of the reformulated Pfizer-BioNTech COVID-19 booster move through production at a plant in Kalamazoo, Mich. (Pfizer Inc.)

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