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Pfizer says its vaccine will last up to 6 months after 2nd dose

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Pfizer says that its vaccine continues to be effective against COVID-19 up to six months after the second dose is administered. NBC’s Tom Costello reports for TODAY from Reagan National Airport.

Appearing:Savannah Guthrie
Tags: health, news, Health Tips, Editor's picks, big news, coronavirus, Plan Your Vaccine, today
S2021 E01 minHighlightNews and InformationDaytime
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