In September 2020, President Biden pledged to vaccinate 70% of the world’s population by September 2021. More than a year later, however, the US has delivered about 270 million of the 11 billion doses needed to vaccinate the planet. Lawrence Gostin, a Georgetown University professor and public health expert, returns to the podcast to talk with Stephanie Desmon about how things have gone so wrong, why he isn’t optimistic about vaccination equity improvements in 2022, and how vaccine manufacturers could be doing so much more to help.