The U.S. is buying an additional 500 million doses of Pfizer's COVID-19 vaccine over the next year, which it will share with the global supply.
This is the full ABC News Special Report.
President Biden Announces Plans to Boost Global COVID Vaccination Supply
Skyler Henry reports on President Biden pledging U.S. will donate 500 million COVID vaccine doses to countries in need (6-10-2021)
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