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Effectiveness of influenza vaccines in children aged 6 to 59 months: a test-negative case-control study at primary care and hospital level, Spain 2023/24.
- Source :
-
Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin [Euro Surveill] 2024 Oct; Vol. 29 (40). - Publication Year :
- 2024
-
Abstract
- During 2023/24, all children aged 6 to 59 months were targeted for seasonal influenza vaccination in Spain nationally. Using a test-negative case-control design with sentinel surveillance data, we estimated adjusted influenza vaccine effectiveness (IVE) against any influenza type to be 70% (95% confidence interval (CI): 51 to 81%) for primary care patients with acute respiratory illness (ARI) and 77% (95% CI: 21 to 93%) for hospitalised patients with severe ARI. In primary care, where most subtyped viruses (61%; 145/237) were A(H1N1), adjusted IVE was 77% (95% CI: 56 to 88%) against A(H1N1)pdm09.
- Subjects :
- Humans
Spain epidemiology
Case-Control Studies
Infant
Child, Preschool
Female
Male
Vaccine Efficacy
Hospitalization statistics & numerical data
Seasons
Influenza A Virus, H3N2 Subtype immunology
Influenza A Virus, H3N2 Subtype isolation & purification
Influenza B virus immunology
Influenza B virus isolation & purification
Hospitals
Influenza Vaccines administration & dosage
Influenza Vaccines immunology
Influenza, Human prevention & control
Influenza, Human epidemiology
Primary Health Care
Sentinel Surveillance
Influenza A Virus, H1N1 Subtype immunology
Influenza A Virus, H1N1 Subtype isolation & purification
Vaccination statistics & numerical data
Subjects
Details
- Language :
- English
- ISSN :
- 1560-7917
- Volume :
- 29
- Issue :
- 40
- Database :
- MEDLINE
- Journal :
- Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
- Publication Type :
- Academic Journal
- Accession number :
- 39364601
- Full Text :
- https://doi.org/10.2807/1560-7917.ES.2024.29.40.2400618