Marcel Ballin

Risk of infection, hospitalisation, and death up to 9 months after a second dose of COVID-19 vaccine: a retrospective, total population cohort study in Sweden

Peter Nordström, Marcel Ballin, Anna Nordström · The Lancet · 2022 · 324 citations · Full text

Vaccination, Vaccine Safety, Preventive Medicine +11

Risk factors for COVID-19 diagnosis, hospitalization, and subsequent all-cause mortality in Sweden: a nationwide study

Jonathan Bergman, Marcel Ballin, Anna Nordström et al. · European Journal of Epidemiology · 2021 · 174 citations · Full text

Effectiveness of heterologous ChAdOx1 nCoV-19 and mRNA prime-boost vaccination against symptomatic Covid-19 infection in Sweden: A nationwide cohort study

Peter Nordström, Marcel Ballin, Anna Nordström · The Lancet Regional Health - Europe · 2021 · 159 citations · Full text

Associations of Objectively Measured Physical Activity and Sedentary Time with the Risk of Stroke, Myocardial Infarction or All-Cause Mortality in 70-Year-Old Men and Women: A Prospective Cohort Study

Marcel Ballin, Peter Nordström, Johan Niklasson et al. · Sports Medicine · 2020 · 76 citations · Full text

Effectiveness of a fourth dose of mRNA COVID-19 vaccine against all-cause mortality in long-term care facility residents and in the oldest old: A nationwide, retrospective cohort study in Sweden

Peter Nordström, Marcel Ballin, Anna Nordström · The Lancet Regional Health - Europe · 2022 · 70 citations · Full text