The additional doses finalize the 600 million dose deal the U.S. government made with Pfizer and BioNTech at the start of the pandemic.
U.S. Purchases Additional 50 Million Pediatric Doses Of Covid-19 Vaccine, Pfizer Says
The additional doses finalize the 600 million dose deal the U.S. government made with Pfizer and BioNTech at the start of the pandemic.