American ContagionsA concise history of how American law has shapedand been shaped bythe experience of contagion, "taking us from the smallpox outbreaks of the colonies to COVID 19. . . . The conclusion [Witt] arrives at is devastating." (Jennifer Szalai, New York Times)"One wishes that, six months ago, every member of Congress and the Trump administration had been forced to read and reckon with the history Witt neatly summarizes. But now in the aftermath of a close,