1. Surveillance for pediatric deaths associated with 2009 Pandemic Influenza A (H1N1) virus infection—United States, April–August 2009;Centers for Disease Control;MMWR Morb Mortal Wkly Rep,2009
2. Swine-origin influenza virus H1N1, seasonal influenza virus, and critical illness in children;Lister;The Lancet,2009
3. Surveillance for influenza admissions among children hospitalized in Canadian Immunization Monitoring Program Active Centers, 2003–2004;Moore;Pediatrics,2006
4. The epidemiology of influenza in children hospitalized in Canada, 2004–2005, in Immunization Monitoring Program Active (IMPACT) centres;Wootton;Can Commun Dis Rep,2006
5. Children hospitalized with Influenza during the 2006–2007 season: a report from the Canadian Immunization Monitoring Program, Active (IMPACT);Burton;Can Commun Dis Rep,2008