The COVID-19 pandemic has worsened health disparities worldwide. Across all nations, the burden of COVID-19 has fallen most heavily on the socially disadvantaged. In the United States, the COVID-19 mortality rate for Black Americans is over twice that of their White American counterparts, and people in prisons have more than double the COVID-19 mortality rate of the general U.S. population. Other social dimensions such as income, gender, sexuality,...