Pfizer Says Booster Shots Are Coming. Do Americans Need Them?
2 years ago
2.4K
Pfizer says its vaccine loses effectiveness over time and is seeking approval for booster shots. U.S. regulators aren't convinced they're needed yet.
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Newsy
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WXYZ
3 years agoBooster shots a likely reality for COVID-vaccinated Americans
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WXYZ
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WFTX
2 years agoPfizer asking for approval of COVID-19 booster
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KGTV
2 years agoPfizer working on COVID-19 booster shot
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KGTV
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WFTX
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WFTX
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Newsy
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