Rural Population testing rates 2019-20 coronavirus outbreak Urban Population Coronavirus disease 2019 (COVID-19) SARS-CoV-2 Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Age Factors Public Health, Environmental and Occupational Health COVID-19 Comorbidity Health Status Disparities United States Health equity COVID-19 Testing Geography Risk Factors COVID‐19 correlation Environmental health Commentary Humans Healthcare Disparities Pandemics health disparities