The world is now in the midst of a once-in-a-century global health pandemic that threatens the lives and livelihoods of billions. This coronavirus transcends borders and nationalities, and until a vaccine is found, a cluster of cases in any one country will endanger the health and safety of people everywhere. For this reason, there has rarely been a time in which the fates of the world's nations were so clearly linked and where American leadership and purposeful international coordination were so urgently required.