- Laurent Filleul1, Dany Bakoly Ranoaritiana2,3, Elsa Balleydier1, David Vandroux4, Clémence Ferlay5, Marie-Christine Jaffar-Bandjee6, Julien Jaubert7, Bénédicte Roquebert6, Bruno Lina8, Martine Valette8, Bruno Hubert9, Sophie Larrieu1, Elise Brottet1
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View Affiliations Hide AffiliationsAffiliations: 1 Santé publique France, French national public health agency, Regional unit (Cire) Océan Indien, Réunion, France 2 Indian Ocean Field Epidemiology Training Programme, Surveillance des Epidémies et Gestion des Alertes (SEGA) One Health Network, Indian Ocean Commission, Mauritius 3 Epidemiological Surveillance Department, Ministry of Health, Madagascar 4 Intensive Care Unit, Centre Hospitalier Universitaire, Saint-Denis, Réunion, France 5 Intensive Care Unit, Centre Hospitalier Universitaire, Saint-Pierre, Réunion, France 6 Laboratory of virology, Centre Hospitalier Universitaire, Saint-Denis, Réunion, France 7 Laboratory of biology, Centre Hospitalier Universitaire, Saint-Pierre, Réunion, France 8 Hospices Civils de Lyon, National Influenza Centre, Laboratory of Virology & Virpath, CIRI, Inserm U1111, CNRS UMR5308, ENS Lyon, UCBL, Lyon, France 9 Santé publique France, French national public health agency, Regional unit (Cire) Pays de la Loire, Nantes, FranceLaurent Filleullaurent.filleul ars.sante.fr
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Citation style for this article: Filleul Laurent, Ranoaritiana Dany Bakoly, Balleydier Elsa, Vandroux David, Ferlay Clémence, Jaffar-Bandjee Marie-Christine, Jaubert Julien, Roquebert Bénédicte, Lina Bruno, Valette Martine, Hubert Bruno, Larrieu Sophie, Brottet Elise. A major impact of the influenza seasonal epidemic on intensive care units, Réunion, April to August 2016. Euro Surveill. 2016;21(47):pii=30405. https://doi.org/10.2807/1560-7917.ES.2016.21.47.30405 Received: 25 Oct 2016; Accepted: 23 Nov 2016
A major impact of the influenza seasonal epidemic on intensive care units, Réunion, April to August 2016
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Abstract
The 2016 seasonal influenza in Réunion in the southern hemisphere, was dominated by influenza A(H1N1)pdm09 (possibly genogroup 6B.1). An estimated 100,500 patients with acute respiratory infection (ARI) consulted a physician (cumulative attack rate 11.9%). Sixty-six laboratory-confirmed cases (65.7/100,000 ARI consultations) were hospitalised in an intensive care unit, the highest number since 2009. Impact on intensive care units was major. Correlation between severe cases was 0.83 between Réunion and France and good for 2009 to 2015.

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