Pfizer climbed from No.14 in Q3 2022 to No.4 inQ42022.AsCDCexpandedeligibilityfor additional booster doses(Novavax boosters and Bivalent boosters) in October 2022,Pfizer ramped up its ad investment on Face book in O4 to raise awareness around the Covid-19 booster shot,with more than half ($26.3million) of its total Facebook ad spending on Covid themed creatives.
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