Pfizer spokespeople John Legend, Martha Stewart and Travis Kelce appear in its latest TV and social campaign to encourage Covid boosters.
Pfizer gathers Covid campaign 'icons' Martha Stewart, John Legend, Travis Kelce and more for latest booster push
Pfizer is rounding up its Covid vaccine celebrity influencers into one star-studded advertising effort.
The recently debuted TV and social media commercial opens with Martha …
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