On March 8, it was mostly business as usual in United States. As the Lakers faced the Clippers in a much-anticipated Los Angeles basketball matchup, Sen. Bernie Sanders, I-Vt., rallied before a packed crowd in Michigan. In Miami, thousands squeezed onto the beach for a massive dance party. With 500 coronavirus infections reported nationwide at the time, the outbreak seemed like a distant threat to many Americans.
But by the following Sunday, the nation had entered a different universe: 2,000 confirmed cases, dozens of deaths, and shutdown orders in Illinois, Ohio, and New York City, among other parts of the…