Thirty-one countries around the globe have reserved more Covid-19 vaccine per capita than the U.S., according to a Bloomberg analysis of country vaccine agreements.
The U.S. Operation Warp Speed program is credited with shaving years off the typical development timeline for vaccines that are now on the brink of being deployed. But after leading that effort, the U.S. has yet to exercise some options to lock down additional supplies that could offer extra insurance against manufacturing problems or scientific delays.