Walgreens Pharmacist Jessica Sahni holds the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at The New Jewish Home in New York, December 21, 2020.
Yuki Iwamura | Reuters
The U.S. government is close to a deal with Pfizer for an additional 100 million doses of its coronavirus vaccine, a source told CNBC’s Meg Tirrell on Tuesday.
This is a developing story. Please check back for updates.
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