Pfizer says booster dose of Covid vaccine neutralizes omicron variant

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Pfizer says booster dose of Covid vaccine neutralizes omicron variant

CNBC's Meg Tirrell joins 'Squawk Box' to break down the latest data from Pfizer and BioNTech, which said three doses of their coronavirus vaccine neutralize the worrisome omicron variant.
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Wed, Dec 8 20217:03 AM EST