Article ; Online: Effectiveness of the adapted bivalent mRNA COVID-19 vaccines against hospitalisation in individuals aged ≥ 60 years during the Omicron XBB lineage-predominant period: VEBIS SARI VE network, Europe, February to August, 2023.
2024 Volume 29, Issue 3
Abstract: We conducted a multicentre hospital-based test-negative case-control study to measure the effectiveness of adapted bivalent COVID-19 mRNA vaccines against PCR-confirmed SARS-CoV-2 infection during the Omicron XBB lineage-predominant period in patients ... ...
Abstract | We conducted a multicentre hospital-based test-negative case-control study to measure the effectiveness of adapted bivalent COVID-19 mRNA vaccines against PCR-confirmed SARS-CoV-2 infection during the Omicron XBB lineage-predominant period in patients aged ≥ 60 years with severe acute respiratory infection from five countries in Europe. Bivalent vaccines provided short-term additional protection compared with those vaccinated > 6 months before the campaign: from 80% (95% CI: 50 to 94) for 14-89 days post-vaccination, 15% (95% CI: -12 to 35) at 90-179 days, and lower to no effect thereafter. |
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MeSH term(s) | Humans ; COVID-19 Vaccines ; Case-Control Studies ; COVID-19/prevention & control ; SARS-CoV-2/genetics ; Hospitalization ; Europe/epidemiology ; RNA, Messenger |
Chemical Substances | COVID-19 Vaccines ; RNA, Messenger |
Language | English |
Publishing date | 2024-01-18 |
Publishing country | Sweden |
Document type | Journal Article |
ZDB-ID | 1338803-4 |
ISSN | 1560-7917 ; 1025-496X |
ISSN (online) | 1560-7917 |
ISSN | 1025-496X |
DOI | 10.2807/1560-7917.ES.2024.29.3.2300708 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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