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Outcomes of immunocompromised children hospitalized for Influenza, 2010-2021, the Canadian Immunization Monitoring Program Active (IMPACT).

Schober T, Morris SK, Bettinger JA, Bancej C, Burton C, Foo C, Halperin SA, Jadavji T, Kazmi K, Modler J, Sadarangani M, Papenburg J; Canadian Immunization Monitoring Program Active (IMPACT) Investigators. Schober T, et al. Among authors: halperin sa. Clin Microbiol Infect. 2023 Jul;29(7):924-932. doi: 10.1016/j.cmi.2023.04.001. Epub 2023 Apr 11. Clin Microbiol Infect. 2023. PMID: 37054913 Free article.

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Lack of evidence of encephalopathy related to pertussis vaccine: active surveillance by IMPACT, Canada, 1993-2002.

Moore DL, Le Saux N, Scheifele D, Halperin SA; Members of the Canadian Paediatric Society/Health Canada Immunization Monitoring Program Active (IMPACT). Moore DL, et al. Among authors: halperin sa. Pediatr Infect Dis J. 2004 Jun;23(6):568-71. doi: 10.1097/01.inf.0000130075.56368.02. Pediatr Infect Dis J. 2004. PMID: 15194842

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Surveillance for influenza admissions among children hospitalized in Canadian immunization monitoring program active centers, 2003-2004.

Moore DL, Vaudry W, Scheifele DW, Halperin SA, Déry P, Ford-Jones E, Arishi HM, Law BJ, Lebel M, Le Saux N, Grimsrud K, Tam T. Moore DL, et al. Among authors: halperin sa. Pediatrics. 2006 Sep;118(3):e610-9. doi: 10.1542/peds.2005-2744. Pediatrics. 2006. PMID: 16950953

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The effect of changing from whole-cell to acellular pertussis vaccine on the epidemiology of hospitalized children with pertussis in Canada.

Bettinger JA, Halperin SA, De Serres G, Scheifele DW, Tam T. Bettinger JA, et al. Among authors: halperin sa. Pediatr Infect Dis J. 2007 Jan;26(1):31-5. doi: 10.1097/01.inf.0000247055.81541.04. Pediatr Infect Dis J. 2007. PMID: 17195702

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Invasive pneumococcal infections in Canadian children, 1998-2003: implications for new vaccination programs.

Bettinger JA, Scheifele DW, Halperin SA, Kellner JD, Tyrrell G; Canadian Paediatric Society Immunization Monitoring Program Active. Bettinger JA, et al. Among authors: halperin sa. Can J Public Health. 2007 Mar-Apr;98(2):111-5. doi: 10.1007/BF03404320. Can J Public Health. 2007. PMID: 17441533 Free PMC article.

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Ongoing control of Haemophilus influenzae type B infections in Canadian children, 2004-2007.

Scheifele DW, Bettinger JA, Halperin SA, Law B, Bortolussi R. Scheifele DW, et al. Among authors: halperin sa. Pediatr Infect Dis J. 2008 Aug;27(8):755-7. doi: 10.1097/INF.0b013e31816fc339. Pediatr Infect Dis J. 2008. PMID: 18594482

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The impact of childhood meningococcal serogroup C conjugate vaccine programs in Canada.

Bettinger JA, Scheifele DW, Le Saux N, Halperin SA, Vaudry W, Tsang R; Canadian Immunization Monitoring Program, Active (IMPACT). Bettinger JA, et al. Among authors: halperin sa. Pediatr Infect Dis J. 2009 Mar;28(3):220-4. doi: 10.1097/INF.0b013e31819040e7. Pediatr Infect Dis J. 2009. PMID: 19209096

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The effect of routine vaccination on invasive pneumococcal infections in Canadian children, Immunization Monitoring Program, Active 2000-2007.

Bettinger JA, Scheifele DW, Kellner JD, Halperin SA, Vaudry W, Law B, Tyrrell G; Canadian Immunization Monitoring Program, Active (IMPACT). Bettinger JA, et al. Among authors: halperin sa. Vaccine. 2010 Feb 25;28(9):2130-6. doi: 10.1016/j.vaccine.2009.12.026. Epub 2009 Dec 29. Vaccine. 2010. PMID: 20044050

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Pertussis immunization in paediatric healthcare workers: knowledge, attitudes, beliefs, and behaviour.

Top KA, Halperin BA, Baxendale D, MacKinnon-Cameron D, Halperin SA. Top KA, et al. Among authors: halperin ba, halperin sa. Vaccine. 2010 Mar 2;28(10):2169-2173. doi: 10.1016/j.vaccine.2009.12.060. Epub 2010 Jan 5. Vaccine. 2010. PMID: 20056190

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Pandemic influenza in Canadian children: a summary of hospitalized pediatric cases.

Bettinger JA, Sauvé LJ, Scheifele DW, Moore D, Vaudry W, Tran D, Halperin SA, Pelletier L. Bettinger JA, et al. Among authors: halperin sa. Vaccine. 2010 Apr 19;28(18):3180-4. doi: 10.1016/j.vaccine.2010.02.044. Epub 2010 Feb 26. Vaccine. 2010. PMID: 20189488

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