U.S. buys another 100 million doses of Pfizer vaccine

The Trump administration has reached an agreement with Pfizer and BioNTech to purchase 100 million additional doses of their coronavirus vaccine, which will be fully delivered no later July 31, 2021, the Department of Health and Human Services announced Wednesday.

Why it matters: The deal will allow millions more Americans to be vaccinated at zero cost by next fall. Under the terms of the agreement, 70 million of the 100 million doses purchased will be delivered by June 30, 2021.

The big picture: 200 million Pfizer doses — enough to vaccinate 100 million Americans — have now been secured, with the deal containing options for the U.S. government to purchase an additional 400 million.