A 17-Year Observational Analysis of Hospitalized Pediatric Patients with Influenza Virus During the 2009 H1N1 and COVID-19 Pandemics - Takeaways - MDSpire

A 17-Year Observational Analysis of Hospitalized Pediatric Patients with Influenza Virus During the 2009 H1N1 and COVID-19 Pandemics

  • By

  • Hedda Trømborg Jalving

  • Andreas Christensen

  • Svein Arne Nordbø

  • Kari Risnes

  • Henrik Døllner

  • Inger Heimdal

  • February 12, 2026

  • 0 min

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  • 1

    Influenza virus significantly contributes to pediatric morbidity, with complications leading to hospitalization in some cases.

  • 2

    The 2009 H1N1 pandemic did not result in more severe disease in children compared to seasonal influenza.

  • 3

    The COVID-19 pandemic altered the epidemiology of influenza, leading to a decline in cases followed by a surge after NPIs were lifted.

  • 4

    This study analyzes 17 years of pediatric hospital admissions to evaluate trends in influenza epidemiology and severity.

  • 5

    Clinical data during the pandemics indicate changes in age distribution and disease severity of influenza in children post-COVID-19.

Original Source(s)

A 17-Year Observational Analysis of Hospitalized Pediatric Patients with Influenza Virus During the 2009 H1N1 and COVID-19 Pandemics

  • by Hedda Trømborg Jalving, Andreas Christensen, Svein Arne Nordbø, Kari Risnes, Henrik Døllner, Inger Heimdal

  • February 12, 2026

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