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Publication
Low 2016/17 season vaccine effectiveness against hospitalised influenza A(H3N2) among elderly: awareness warranted for 2017/18 season
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Advisor(s)
Abstract(s)
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.
Description
Members of the I-Move+hospital working group - Portugal: B. Nunes, I. Kislaya, A.P. Rodrigues (National
Health Institute Doutor Ricardo Jorge, Lisbon), V. Gomes, R. Côrte-Real (Centro Hospitalar de Lisboa Central, Lisbon), J. Poças, M.J. Peres (Centro Hospitalar de Setúbal, Setúbal).
Keywords
A(H3N2) Influenza Cases Control; Elderly Hospitalisation Vaccine Effectiveness Vacina Antigripal Cuidados de Saúde Efetividade da Vacina Antigripal
Pedagogical Context
Citation
Euro Surveill. 2017 Oct;22(41):1-6. doi: 10.2807/1560-7917.ES.2017.22.41.17-00645
Publisher
European Centre for Disease Prevention and Control