You're reading: CNN: US has bought and will donate 500 million doses of Pfizer’s vaccine worldwide

The US has purchased and will donate 500 million doses of Pfizer’s Covid-19 vaccine worldwide as it seeks to be a key player in getting other nations vaccinated, a person familiar with the move told CNN. President Joe Biden will announce the news at the G7 summit in Cornwall, England, this week, the person said.

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