Almost as soon as the Covid-19 pandemic was declared, writers rushed to narrativize the social experiment that was “lockdown.” Some of the reports, including those on the risks undertaken by workers newly deemed “essential,” have felt necessary and urgent. Others less so, like the slew of navel-gazing “quarantine diaries” produced last spring. (One prominent novelist compared her experience sheltering in place in her Los Angeles mansion to “doing time.”) Less visible...