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Epidemiology and seasonality of acute respiratory infections in hospitalized children over four consecutive years (2012-2016)

Abstract : Background: Acute respiratory infections are a principal cause of illness and mortality especially in young children worldwide. Objectives: To study the epidemiology and seasonality of viral respiratory infections in hospitalized children (under the age of 16) between September 2012 and August 2016. Study design: Nasopharyngeal swabs or aspirates were collected from 3199 symptomatic patients and then screened with a routine multiplex PCR assay. Results: Respiratory viruses were detected for 1624 (50.8%) of the 3199 children in the study population. Of these, 210 (13.3%) were positive for two viruses, 28 (1.7%) were positive for three, and 3 (0.2%) were positive for four. The viral profile varied with age. Some viruses were significantly more frequent in children under the age of 1 month (such as human respiratory syncytial virus (p < 0.0001)), whereas others were significantly more frequent in children over that age (such as influenza viruses (p < 0.0001) and adenoviruses (p = .0006)). The distribution of viruses is variable over the year depending on the species. However, the atmospheric temperature was rarely found to be a limiting factor in the circulation of respiratory viruses. Conclusions: our results constitute a detailed description of the distribution of respiratory viruses among hospitalized children over four consecutive years. Our data notably highlight the persistence of non-enveloped viruses and some enveloped viruses throughout the year-regardless of temperature variations.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03591574
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Soumis le : lundi 28 février 2022 - 16:38:52
Dernière modification le : vendredi 26 août 2022 - 15:26:25

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Adrien Fillatre, Catherine Francois, Christine Segard, Gilles Duverlie, Denise Hecquet, et al.. Epidemiology and seasonality of acute respiratory infections in hospitalized children over four consecutive years (2012-2016). Journal of Clinical Virology, Elsevier, 2018, 102, pp.27-31. ⟨10.1016/j.jcv.2018.02.010⟩. ⟨hal-03591574⟩

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