2024-03-28T15:22:07Zhttp://repisalud.isciii.es/oai/requestoai:repisalud.isciii.es:20.500.12105/97702023-10-05T09:46:37Zcom_20.500.12105_2060com_20.500.12105_2052com_20.500.12105_2051col_20.500.12105_2061
Repisalud
author
Kissling, Esther
author
Valenciano, Marta
author
Pozo Sanchez, Francisco
author
Vilcu, Ana-Maria
author
Reuss, Annicka
author
Rizzo, Caterina
author
Larrauri, Amparo
author
Horváth, Judit Krisztina
author
Brytting, Mia
author
Domegan, Lisa
author
Korczyńska, Monika
author
Meijer, Adam
author
Machado, Ausenda
author
Ivanciuc, Alina
author
Višekruna Vučina, Vesna
author
van der Werf, Sylvie
author
Schweiger, Brunhilde
author
Bella, Antonino
author
Gherasim, Alin Manuel
author
Ferenczi, Annamária
author
Zakikhany, Katherina
author
O Donnell, Joan
author
Paradowska-Stankiewicz, Iwona
author
Dijkstra, Frederika
author
Guiomar, Raquel
author
Lazar, Mihaela
author
Kurečić Filipović, Sanja
author
Johansen, Kari
author
Moren, Alain
funder
Unión Europea. European Centre for Disease Prevention and Control (ECDC)
2020-04-28T08:27:22Z
2020-04-28T08:27:22Z
2018
Influenza Other Respir Viruses. 2018 Jul;12(4):423-437.
1750-2640
http://hdl.handle.net/20.500.12105/9770
29125681
10.1111/irv.12520
1750-2659
Influenza and other respiratory viruses
BACKGROUND: During the 2015/16 influenza season in Europe, the cocirculating influenza viruses were A(H1N1)pdm09 and B/Victoria, which was antigenically distinct from the B/Yamagata component in the trivalent influenza vaccine. METHODS: We used the test-negative design in a multicentre case-control study in twelve European countries to measure 2015/16 influenza vaccine effectiveness (VE) against medically attended influenza-like illness (ILI) laboratory-confirmed as influenza. General practitioners swabbed a systematic sample of consulting ILI patients and a random sample of influenza-positive swabs was sequenced. We calculated adjusted VE against influenza A(H1N1)pdm09, A(H1N1)pdm09 genetic group 6B.1 and influenza B overall and by age group. RESULTS: We included 11 430 ILI patients, of which 2272 were influenza A(H1N1)pdm09 and 2901 were influenza B cases. Overall VE against influenza A(H1N1)pdm09 was 32.9% (95% CI: 15.5-46.7). Among those aged 0-14, 15-64 and ≥65 years, VE against A(H1N1)pdm09 was 31.9% (95% CI: -32.3 to 65.0), 41.4% (95% CI: 20.5-56.7) and 13.2% (95% CI: -38.0 to 45.3), respectively. Overall VE against influenza A(H1N1)pdm09 genetic group 6B.1 was 32.8% (95% CI: -4.1 to 56.7). Among those aged 0-14, 15-64 and ≥65 years, VE against influenza B was -47.6% (95% CI: -124.9 to 3.1), 27.3% (95% CI: -4.6 to 49.4) and 9.3% (95% CI: -44.1 to 42.9), respectively. CONCLUSIONS: Vaccine effectiveness (VE) against influenza A(H1N1)pdm09 and its genetic group 6B.1 was moderate in children and adults, and low among individuals ≥65 years. Vaccine effectiveness (VE) against influenza B was low and heterogeneous among age groups. More information on effects of previous vaccination and previous infection is needed to understand the VE results against influenza B in the context of a mismatched vaccine.
eng
Case-control study
Influenza
Influenza vaccine
Multicentre study
Vaccine effectiveness
2015/16 I-MOVE/I-MOVE+ multicentre case-control study in Europe: Moderate vaccine effectiveness estimates against influenza A(H1N1)pdm09 and low estimates against lineage-mismatched influenza B among children
journal article
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URL
https://repisalud.isciii.es/bitstream/20.500.12105/9770/1/2015-16I-MOVE-I-MOVE%2b_2018.pdf
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MD5
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application/pdf
2015-16I-MOVE-I-MOVE+_2018.pdf
URL
https://repisalud.isciii.es/bitstream/20.500.12105/9770/3/2015-16I-MOVE-I-MOVE%2b_2018.pdf.txt
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MD5
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text/plain
2015-16I-MOVE-I-MOVE+_2018.pdf.txt