美国大规模接种疫苗开始了。政府部门帮助药厂提高产能和改善供应链

WASHINGTON — The U.S. government is close to a deal to acquire tens of millions of additional doses of Pfizer’s vaccine in exchange for helping the pharmaceutical giant gain better access to manufacturing supplies.

A person with knowledge of the negotiations told The Associated Press on Tuesday that the deal is under discussion and could be finalized shortly. The person spoke on condition of anonymity to describe ongoing deliberations.