Affiliations
1 Department of Epidemiology, Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA), Lisbon, Portugal
2 Epidemiology Department, Epiconcept, Paris, France
3 Norwegian Institute of Public Health (NIPH), Oslo, Norway
4 Instituto de Salud Pública de Navarre - IdiSNA, Pamplona, Spain
5 CIBER on Epidemiology and Public Health (CIBERESP), Madrid, Spain
6 Department of Infectious Disease Epidemiology & Prevention, Statens Serum Institut (SSI), Copenhagen, Denmark
7 Ministry of Health, Directorate of Health, Service epidemiology and statistics, Luxembourg
8 Epidemiology of infectious diseases, Sciensano, Brussels, Belgium
9 Instituto de Salud Carlos III (ISCIII), Madrid, Spain
10 Public Health and Epidemiology research group, School of Medicine and Health Sciences, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
11 Vaccine preventable diseases and Immunisation, European Centre for Disease Prevention and Control (ECDC), Solna, Sweden
12 CIBER on Infectious Diseases (CIBERINFEC), Madrid, Spain
Correspondence: Irina Kislaya, Department of Epidemiology, Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA), Lisbon, Portugal; irina.kislaya@bnitm.de
Keywords: COVID-19; SARS-CoV-2; Vaccine effectiveness; Cohort design, Hospitalization, COVID-19-related death