Higher mortality and more admissions to intensive care units. Many migrant groups in Sweden were hit harder than those born in Sweden during the Covid-19 pandemic. However, the vaccine was crucial in reducing inequality. This is shown by a study by researchers at the Department of Public Health Sciences, Stockholm University, in collaboration with researchers from Stockholm University's Demographic Department (SUDA) and Karolinska Institutet. The study was recently published in the scientific journal Nature Communications.