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Page 1
Measuring waning protection from seasonal influenza vaccination during nine influenza seasons, Ontario, Canada, 2010/11 to 2018/19.
Chung H, Campitelli MA, Buchan SA, Campigotto A, Crowcroft NS, Gubbay JB, Jung JK, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Russell ML, Schwartz KL, Simor A, Smieja M, Sundaram ME, Warshawsky BF, Zahariadis G, Kwong JC; Canadian Immunization Research Network (CIRN) Provincial Collaborative Network (PCN) Investigators. Chung H, et al. Among authors: crowcroft ns. Euro Surveill. 2024 Feb;29(8):2300239. doi: 10.2807/1560-7917.ES.2024.29.8.2300239. Euro Surveill. 2024. PMID: 38390652 Free PMC article.
Strengths and limitations of assessing influenza vaccine effectiveness using routinely collected, passive surveillance data in Ontario, Canada, 2007 to 2012: balancing efficiency versus quality.
Savage RD, Winter AL, Rosella LC, Olsha R, Gubbay JB, Skowronski DM, Crowcroft NS. Savage RD, et al. Among authors: crowcroft ns. Euro Surveill. 2015 Apr 23;20(16):21100. doi: 10.2807/1560-7917.es2015.20.16.21100. Euro Surveill. 2015. PMID: 25953275 Free article.
Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among young children during the 2010-11 to 2013-14 influenza seasons in Ontario, Canada.
Buchan SA, Chung H, Campitelli MA, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson D, Richardson SE, Rosella LC, Simor A, Smieja M, Tran D, Zahariadis G, Kwong JC. Buchan SA, et al. Among authors: crowcroft ns. PLoS One. 2017 Nov 17;12(11):e0187834. doi: 10.1371/journal.pone.0187834. eCollection 2017. PLoS One. 2017. PMID: 29149183 Free PMC article.
Characteristics and Outcomes of Young Children Hospitalized With Laboratory-confirmed Influenza or Respiratory Syncytial Virus in Ontario, Canada, 2009-2014.
Buchan SA, Chung H, Karnauchow T, McNally JD, Campitelli MA, Gubbay JB, Katz K, McGeer AJ, Richardson DC, Richardson SE, Simor A, Smieja M, Zahariadis G, Tran D, Crowcroft NS, Rosella LC, Kwong JC. Buchan SA, et al. Among authors: crowcroft ns. Pediatr Infect Dis J. 2019 Apr;38(4):362-369. doi: 10.1097/INF.0000000000002164. Pediatr Infect Dis J. 2019. PMID: 30882725
Influenza Vaccine Effectiveness Among Patients With Cancer: A Population-Based Study Using Health Administrative and Laboratory Testing Data From Ontario, Canada.
Blanchette PS, Chung H, Pritchard KI, Earle CC, Campitelli MA, Buchan SA, Schwartz KL, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Simor A, Smieja M, Zahariadis G, Campigotto A, Kwong JC. Blanchette PS, et al. Among authors: crowcroft ns. J Clin Oncol. 2019 Oct 20;37(30):2795-2804. doi: 10.1200/JCO.19.00354. Epub 2019 Aug 29. J Clin Oncol. 2019. PMID: 31465264
The impact of repeated vaccination using 10-year vaccination history on protection against influenza in older adults: a test-negative design study across the 2010/11 to 2015/16 influenza seasons in Ontario, Canada.
Kwong JC, Chung H, Jung JK, Buchan SA, Campigotto A, Campitelli MA, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Schwartz KL, Simor A, Smieja M, Zahariadis G; Canadian Immunization Research Network (CIRN) investigators. Kwong JC, et al. Among authors: crowcroft ns. Euro Surveill. 2020 Jan;25(1):1900245. doi: 10.2807/1560-7917.ES.2020.25.1.1900245. Euro Surveill. 2020. PMID: 31937397 Free PMC article.
Influenza Vaccine Effectiveness Against All-Cause Mortality Following Laboratory-Confirmed Influenza in Older Adults, 2010-2011 to 2015-2016 Seasons in Ontario, Canada.
Chung H, Buchan SA, Campigotto A, Campitelli MA, Crowcroft NS, Dubey V, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Mubareka S, Murti M, Richardson DC, Rosella LC, Schwartz KL, Smieja M, Zahariadis G, Kwong JC. Chung H, et al. Among authors: crowcroft ns. Clin Infect Dis. 2021 Sep 7;73(5):e1191-e1199. doi: 10.1093/cid/ciaa1862. Clin Infect Dis. 2021. PMID: 33354709 Free PMC article.
Effectiveness of maternal influenza vaccination during pregnancy against laboratory-confirmed seasonal influenza among infants under 6 months of age in Ontario, Canada.
Fell DB, Russell M, Fung SG, Swayze S, Chung H, Buchan SA, Roda W, Smolarchuk C, Wilson K, Crowcroft N, Schwartz KL, Gubbay JB, McGeer A, Smieja M, Richardson DC, Katz K, Zahariadis G, Campigotto A, Mubareka S, McNally D, Karnauchow T, Zelyas N, Svenson LW, Kwong JC. Fell DB, et al. J Infect Dis. 2023 Nov 29:jiad539. doi: 10.1093/infdis/jiad539. Online ahead of print. J Infect Dis. 2023. PMID: 38029414
The potential effect of temporary immunity as a result of bias associated with healthy users and social determinants on observations of influenza vaccine effectiveness; could unmeasured confounding explain observed links between seasonal influenza vaccine and pandemic H1N1 infection?
Crowcroft NS, Rosella LC. Crowcroft NS, et al. BMC Public Health. 2012 Jun 20;12:458. doi: 10.1186/1471-2458-12-458. BMC Public Health. 2012. PMID: 22716096 Free PMC article.
243 results