STAT March 8, 2021
President Biden confidently declared last week that there would be enough Covid-19 vaccine delivered to the U.S. government by the end of May to vaccinate every American.
But predictions about vaccine availability have repeatedly been proven wrong. How confident should Americans be this time? The short answer: somewhat.
There is no doubt that the U.S. is moving from a time of vaccine scarcity, when there is not enough vaccine to go around, to one of vaccine surplus, when it will be far easier for people who want a Covid vaccine to receive one. By early summer, barring a manufacturing catastrophe, there should be enough vaccine for every American.
But the math behind Biden’s pledge that the U.S. will have enough...