The coronavirus reminds us that many cliches about a globalized world are true. Pathogens and the pandemics they cause don’t care much about geopolitical dividing lines. Economic shocks that begin in one country rarely end there. International organizations are critical to meeting shared challenges. It is hard for even a superpower to remain healthy, physically or economically, in an unhealthy world. Our current trial, writes former U.S. Secretary of State Madeleine Albright, teaches “a lesson we should have learned long ago: that to thrive, people of every nationality must combine strengths.”