First, increase minimum weekly shipments of vaccines to states to 10 million doses, from the current 8.6 million. Next, guarantee these shipment numbers for the next three weeks, which allows states to plan out for the next month how many people they can vaccinate. Finally, the federal government purchased 200 million additional doses of vaccines from Moderna and Pfizer-BioNTech, ensuring the government has enough to inoculate the entire American public who choose to with two doses by the end of the summer. More info
here.