[\'Central Research Institute of Ambulatory Health Care, Salzufer 8, 10587, Berlin, Germany. jholstiege@zi.de.\', \'Central Research Institute of Ambulatory Health Care, Salzufer 8, 10587, Berlin, Germany.\']
Patients at high risk for a severe clinical course of COVID-19 - small-area data in support of vaccination and other population-based interventions in Germany.