Here’s how the U.S. government plans to distribute the first Covid-19 vaccines.

In the wake of a steady stream of positive results indicating the effectiveness of several coronavirus vaccines, the official in charge of the federal coronavirus vaccine program explained on Sunday news shows how the vaccines might be distributed to Americans as early as next month. Dr. Moncef Slaoui, head of the administration’s Operation Warp Speed, said that within 24 hours after the Food and Drug Administration approves a vaccine, doses will be shipped to states to be distributed. “Within 48 hours from approval,” the first people would likely receive injections, Dr. Slaoui said on ABC’s “This Week With George Stephanopoulos.”