The Mexicans, interestingly, had taken the new pandemic strategy of the United States and run with it. They’d closed schools, and socially distanced the population in other ways that, studies would later show, shut down disease transmission. The CDC, by contrast, sent the message that each American school should make its own decision, which was a bit like telling a bunch of sixth graders that the homework was optional. A few schools closed, but the vast majority did not. The local public-health officials with the power to close the schools had no political cover to do what needed doing.
