作者
Ole Birger Pedersen, Janna Nissen, Khoa Manh Dinh, Michael Schwinn, Kathrine Agergård Kaspersen, Jens Kjærgaard Boldsen, Maria Didriksen, Joseph Dowsett, Erik Sørensen, Lise Wegner Thørner, Margit Anita Hørup Larsen, Birgitte Grum-Schwensen, Susanne Sækmose, Isabella Worlewenut Paulsen, Nanna Lond Skov Frisk, Thorsten Brodersen, Lasse Skafte Vestergaard, Klaus Rostgaard, Kåre Mølbak, Robert Leo Skov, Christian Erikstrup, Henrik Ullum, Henrik Hjalgrim
发表日期
2021/11/1
期刊
Clinical Infectious Diseases
卷号
73
期号
9
页码范围
e2962-e2969
出版商
Oxford University Press
简介
Background
Although the vast majority of individuals succumbing to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are elderly, infection fatality rate (IFR) estimates for the age group ≥70 years are still scarce. To this end, we assessed SARS-CoV-2 seroprevalence among retired blood donors and combined it with national coronavirus disease 2019 (COVID-19) survey data to provide reliable population-based IFR estimates for this age group.
Methods
We identified 60 926 retired blood donors aged ≥70 years in the rosters of 3 regionwide Danish blood banks and invited them to fill in a questionnaire on COVID-19–related symptoms and behaviors. Among 24 861 (40.8%) responders, we invited a random sample of 3200 individuals for blood testing. Overall, 1201 (37.5%) individuals were tested for SARS-CoV-2 antibodies (Wantai) and …
学术搜索中的文章
OB Pedersen, J Nissen, KM Dinh, M Schwinn… - Clinical Infectious Diseases, 2021