Low 2016/17 season vaccine effectiveness against hospitalised influenza A(H3N2) among elderly: awareness warranted for 2017/18 season

In a multicentre European hospital study we measured influenza vaccine effectiveness (IVE) against A(H3N2) in 2016/17. Adjusted IVE was 17% (95% confidence interval (CI): 1 to 31) overall; 25% (95% CI: 2 to 43) among 65-79-year-olds and 13% (95% CI: -15 to 30) among those ≥ 80 years. As the A(H3N2)...

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Detalles Bibliográficos
Autores: Rondy, Marc, Gherasim, Alin Manuel, Casado, Itziar, Launay, Odile, Rizzo, Caterina, Pitigoi, Daniela, Mickiene, Aukse, Marbus, Sierk D, Machado, Ausenda, Syrjänen, Ritva K, Pem-Novose, Iva, Horváth, Judit Krisztina, Larrauri, Amparo, Castilla, Jesús, Vanhems, Philippe, Alfonsi, Valeria, Ivanciuc, Alina E, Kuliešė, Monika, van Gageldonk-Lafeber, Rianne, Gomez, Verónica, Ikonen, Niina, Lovric, Zvjezdana, Ferenczi, Annamária, I-MOVE+ hospital working group, Moren, Alain
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Instituto de Salud Carlos III (ISCIII)
Repositorio:Repisalud
Idioma:inglés
OAI Identifier:oai:repisalud.isciii.es:20.500.12105/8994
Acceso en línea:http://hdl.handle.net/20.500.12105/8994
Access Level:acceso abierto
Palabra clave:Adolescent
Adult
Aged
European Union
Female
Hospitalization
Hospitals
Humans
Influenza A Virus, H3N2 Subtype
Influenza Vaccines
Influenza, Human
Male
Middle Aged
Outcome Assessment, Health Care
Seasons
Descripción
Sumario:In a multicentre European hospital study we measured influenza vaccine effectiveness (IVE) against A(H3N2) in 2016/17. Adjusted IVE was 17% (95% confidence interval (CI): 1 to 31) overall; 25% (95% CI: 2 to 43) among 65-79-year-olds and 13% (95% CI: -15 to 30) among those ≥ 80 years. As the A(H3N2) vaccine component has not changed for 2017/18, physicians and public health experts should be aware that IVE could be low where A(H3N2) viruses predominate.

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