COVID-19, mortality, Estonia, population-based, cardiovascular death, SARS-CoV-2.
Post-COVID-19 condition, Post-COVID-19 sequalae, pharmacoepidemiology, public health, cohort study
Epidemiology, Incidence of Post-Acute COVID-19 Symptoms. International Cohort Study
Breakthrough infection, SARS-Cov-2, COVID-19, severe, hospitalization, vaccination, booster