Epidemiology and severity of pediatric influenza hospitalizations before and during the COVID-19 pandemic: a surveillance study of the Canadian immunization monitoring program (IMPACT), 2012–2023

The Lancet Regional Health - Americas 2026 Open access

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Authors: Costanza Di Chiara, Jesse Papenburg, Julie A. Bettinger, Daniel S. Farrar, Waison Wong, Catherine Burton, Scott A. Halperin, Taj Jadavji, Kescha Kazmi, Manish Sadarangani, Shaun K. Morris
DOI: 10.1016/j.lana.2026.101525
Cited by: 1
References: 28

Abstract

Background: The COVID-19 pandemic disrupted respiratory virus circulation, including influenza. We described trends in seasonality, demographics, and severity of pediatric influenza hospitalizations in Canada before and during the pandemic. Methods: We conducted national prospective surveillance through the Canadian Immunization Monitoring Program, ACTive (IMPACT), across 12 tertiary-care pediatric centers. Children

Fields of Study & Subjects

Influenza Virus Research Studies Respiratory viral infections research SARS-CoV-2 and COVID-19 Research

Publication details

Journal / source
The Lancet Regional Health - Americas
Publisher
Elsevier BV
Volume
61
Pages
101525–101525
Publication date
6 June 2026
Language
EN