Vaccine protection against COVID-19 mortality in relation to time since last booster dose among nursing home residents in Sweden – A case-control study over 35 months
Waning vaccine protection was observed already 90 days after the last vaccine dose among older people living in nursing homes. The reported ORs imply that more than one third of all COVID-19 deaths could in the investigated setting have been possible to prevent by more frequent vaccine boosting during 2022-2023.
Authors
- Mahnaz Moghaddassi (ORCID: https://orcid.org/0000-0002-0844-4736)
- Anders F. Johansson (ORCID: https://orcid.org/0000-0003-0548-5943)
- Jonas Björk (ORCID: https://orcid.org/0000-0003-1883-2000)
- Malin Inghammar (ORCID: https://orcid.org/0000-0003-2995-1312)
- Dominik Dietler (ORCID: https://orcid.org/0000-0001-9629-125X)
- Carl Bonander (ORCID: https://orcid.org/0000-0002-1189-9950)
- Fredrik Kahn (ORCID: https://orcid.org/0000-0001-5566-6350)
Institutions
- Lund University (SE)
- University of Gothenburg (SE)
- Umeå University (SE)
Publication Details
- Journal
- Vaccine
- Published
- 2025-12-09
- DOI
- https://doi.org/10.1016/j.vaccine.2025.128043
- Citations
- 2
- Primary Topic
- SARS-CoV-2 and COVID-19 Research
- Type
- article
- Field-Weighted Citation Impact
- 2.79