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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Pandemic A/H1N1v influenza 2009 in hospitalized children: A multicenter Belgian survey
BMC Infectious Diseases, Volume 11, Article 313, Year 2011
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Description
Background: During the 2009 influenza A/H1N1v pandemic, children were identified as a specific "at risk" group. We conducted a multicentric study to describe pattern of influenza A/H1N1v infection among hospitalized children in Brussels, Belgium.Methods: From July 1, 2009, to January 31, 2010, we collected epidemiological and clinical data of all proven (positive H1N1v PCR) and probable (positive influenza A antigen or culture) pediatric cases of influenza A/H1N1v infections, hospitalized in four tertiary centers.Results: During the epidemic period, an excess of 18% of pediatric outpatients and emergency department visits was registered. 215 children were hospitalized with proven/probable influenza A/H1N1v infection. Median age was 31 months. 47% had ≥ 1 comorbid conditions. Febrile respiratory illness was the most common presentation. 36% presented with initial gastrointestinal symptoms and 10% with neurological manifestations. 34% had pneumonia. Only 24% of the patients received oseltamivir but 57% received antibiotics. 10% of children were admitted to PICU, seven of whom with ARDS. Case fatality-rate was 5/215 (2%), concerning only children suffering from chronic neurological disorders. Children over 2 years of age showed a higher propensity to be admitted to PICU (16% vs 1%, p = 0.002) and a higher mortality rate (4% vs 0%, p = 0.06). Infants less than 3 months old showed a milder course of infection, with few respiratory and neurological complications.Conclusion: Although influenza A/H1N1v infections were generally self-limited, pediatric burden of disease was significant. Compared to other countries experiencing different health care systems, our Belgian cohort was younger and received less frequently antiviral therapy; disease course and mortality were however similar. © 2011 Blumental et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Blumental, Sophie
Belgium, Brussels
Hospital Universitaire Des Enfants Reine Fabiola
Reynders, Marijke B.M.L.
Belgium, Brussels
Centre Hospitalier Universitaire Saint Pierre, Brussels
Wybo, Ingrid
Unknown Affiliation
Kabamba-Mukadi, Benoît
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Hermans, Dominique
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Nassogne, Marie Cécile
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Fonteyne, Christine
Belgium, Brussels
Hospital Universitaire Des Enfants Reine Fabiola
van Berlaer, Gerlant
Unknown Affiliation
Lévy, Jack A.
Belgium, Brussels
Centre Hospitalier Universitaire Saint Pierre, Brussels
Moulin, Didier
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Lepage, Philippe
Belgium, Brussels
Hospital Universitaire Des Enfants Reine Fabiola
Statistics
Citations: 15
Authors: 11
Affiliations: 4
Identifiers
Doi:
10.1186/1471-2334-11-313
ISSN:
14712334
Research Areas
Maternal And Child Health
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative