How human institutions—markets, states, communities, religions, guilds and families—have helped both to control and to exacerbate epidemics throughout history. How do societies tackle epidemic disease? In Controlling Contagion, Sheilagh Ogilvie answers this question by exploring seven centuries of pandemics, from the Black Death to Covid-19. For most of history, infectious diseases have killed many more people than famine or war, and in 2019 they still caused one death in four. Today, we deal with epidemics more successfully than our ancestors managed plague, smallpox, cholera or influenza. But we use many of the same approaches. Long before scientific medicine, human societies coordinated and innovated in response to biological shocks—sometimes well, sometimes badly. Ogilvie uses historical epidemics to analyse how human societies deal with “externalities”—situations where my action creates costs or benefits for others beyond those that I myself incur. Social institutions—markets,
