New variant strains of the COVID-19 virus threaten to undermine vaccination efforts and herd immunity. In response, public health experts have been sounding the alarm that COVID anywhere is COVID everywhere, and to beat the virus in the US, we need to beat the virus around the world. In this episode, Frank speaks with epidemiologist and vaccinologist Dr. Jon Andrus about the challenges in dealing with the new COVID variants and how vaccine diplomacy can help or spell disaster for global vaccination efforts.