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Nichols MK, Andrew MK, Ye L, Hatchette TF, Ambrose A, Boivin G, Bowie W, Dos Santos G, Elsherif M, Green K, Haguinet F, Katz K, Leblanc J, Loeb M, MacKinnon-Cameron D, McCarthy A, McElhaney JE, McGeer A, Powis J, Richardson D, Semret M, Sharma R, Shinde V, Smyth D, Trottier S, Valiquette L, Webster D, McNeil SA. The Impact of Prior Season Vaccination on Subsequent Influenza Vaccine Effectiveness to Prevent Influenza-related Hospitalizations Over 4 Influenza Seasons in Canada. Clin Infect Dis 2020; 69:970-979. [PMID: 30508064 DOI: 10.1093/cid/ciy1009] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/30/2018] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Recent studies have demonstrated the possibility of negative associations between prior influenza vaccines and subsequent influenza vaccine effectiveness (VE), depending on season and strain. We investigated this association over 4 consecutive influenza seasons (2011-2012 through 2014-2015) in Canada. METHODS Using a matched test-negative design, laboratory-confirmed influenza cases and matched test-negative controls admitted to hospitals were enrolled. Patients were stratified into 4 groups according to influenza vaccine history (not vaccinated current and prior season [referent], vaccinated prior season only, vaccinated current season only, and vaccinated both current and prior season). Conditional logistic regression was used to estimate VE; prior vaccine impact was assessed each season for overall effect and effect stratified by age (<65 years, ≥65 years) and type/subtype (A/H1N1, A/H3N2, influenza B). RESULTS Overall, mainly nonsignificant associations were observed. Trends of nonsignificant decreased VE among patients repeatedly vaccinated in both prior and current season relative to the current season only were observed in the A/H3N2-dominant seasons of 2012-2013 and 2014-2015. Conversely, in 2011-2012, during which B viruses circulated, and in 2013-2014, when A/H1N1 circulated, being vaccinated in both seasons tended to result in a high VE in the current season against the dominant circulating subtype. CONCLUSIONS Prior vaccine impact on subsequent VE among Canadian inpatients was mainly nonsignificant. Even in circumstances where we observed a trend of negative impact, being repeatedly vaccinated was still more effective than not receiving the current season's vaccine. These findings favor continuation of annual influenza vaccination recommendations, particularly in older adults. CLINICAL TRIALS REGISTRATION NCT01517191.
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Affiliation(s)
- M K Nichols
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - M K Andrew
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - L Ye
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - T F Hatchette
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - A Ambrose
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - G Boivin
- Centre Hospitalier Universitaire de Québec, Québec City, Canada
| | - W Bowie
- University of British Columbia, Vancouver, Canada
| | - G Dos Santos
- Business and Decision Life Sciences, Bruxelles, Belgium.,Present affiliation: GSK, Wavre, Belgium
| | - M Elsherif
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - K Green
- Mount Sinai Hospital, Toronto, Ontario, Canada
| | | | - K Katz
- North York General Hospital, Toronto
| | - J Leblanc
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | - M Loeb
- McMaster University, Hamilton
| | - D MacKinnon-Cameron
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
| | | | | | - A McGeer
- Mount Sinai Hospital, Toronto, Ontario, Canada
| | - J Powis
- Michael Garron Hospital, Toronto
| | | | - M Semret
- McGill University, Montreal, Québec
| | - R Sharma
- GSK, Mississauga, Ontario, Canada
| | - V Shinde
- GSK, King of Prussia, Pennsylvania.,Present affiliation: Novavax Vaccines, Washington, D.C
| | - D Smyth
- The Moncton Hospital, New Brunswick
| | - S Trottier
- Centre Hospitalier Universitaire de Québec, Québec City, Canada
| | | | - D Webster
- Saint John Hospital Regional Hospital, Dalhousie University, New Brunswick, Canada
| | - S A McNeil
- Canadian Center for Vaccinology, IWK Health Centre and Nova Scotia Health Authority, Dalhousie University, Halifax, Nova Scotia
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McNeil SA, Andrew MK, Ye L, Haguinet F, Hatchette TF, ElSherif M, LeBlanc J, Ambrose A, McGeer A, McElhaney JE, Loeb M, MacKinnon-Cameron D, Sharma R, Dos Santos G, Shinde V. Interim estimates of 2014/15 influenza vaccine effectiveness in preventing laboratory-confirmed influenza-related hospitalisation from the Serious Outcomes Surveillance Network of the Canadian Immunization Research Network, January 2015. Euro Surveill 2015; 20:21024. [DOI: 10.2807/1560-7917.es2015.20.5.21024] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Binary file ES_Abstracts_Final_ECDC.txt matches
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Affiliation(s)
- S A McNeil
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - M K Andrew
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - L Ye
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - F Haguinet
- GlaxoSmithKline Vaccines, Wavre, Belgium
| | - T F Hatchette
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - M ElSherif
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - J LeBlanc
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - A Ambrose
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - A McGeer
- Mount Sinai Hospital, Toronto, Ontario, Canada
| | - J E McElhaney
- Advanced Medical Research Institute of Canada, Sudbury, Ontario, Canada
| | - M Loeb
- McMaster University, Hamilton, Ontario, Canada
| | - D MacKinnon-Cameron
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - R Sharma
- GlaxoSmithKline Vaccines, Mississauga, Ontario, Canada
| | - G Dos Santos
- Business & Decision Life Sciences (on behalf of GlaxoSmithKline Vaccines), Brussels, Belgium
| | - V Shinde
- GlaxoSmithKline Vaccines, King of Prussia, Pennsylvania, United States
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McNeil SA, Shinde V, Andrew M, Hatchette TF, LeBlanc J, Ambrose A, Boivin G, Bowie WR, Diaz-Mitoma F, ElSherif M, Green K, Haguinet F, Halperin S, Ibarguchi B, Katz K, Langley JM, Lagacé-Wiens P, Light B, Loeb M, McElhaney JE, MacKinnon-Cameron D, McCarthy AE, Poirier M, Powis J, Richardson D, Semret M, Smith S, Smyth D, Stiver G, Trottier S, Valiquette L, Webster D, Ye L, McGeer A. Interim estimates of 2013/14 influenza clinical severity and vaccine effectiveness in the prevention of laboratory-confirmed influenza-related hospitalisation, Canada, February 2014. Euro Surveill 2014; 19. [DOI: 10.2807/1560-7917.es2014.19.9.20729] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Binary file ES_Abstracts_Final_ECDC.txt matches
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Affiliation(s)
- S A McNeil
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - V Shinde
- GlaxoSmithKline Biologicals, Wavre, Belgium
| | - M Andrew
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - T F Hatchette
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - J LeBlanc
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - A Ambrose
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | | | - W R Bowie
- University of British Columbia, Vancouver, British Columbia, Canada
| | - F Diaz-Mitoma
- Advanced Medical Research Institute of Canada, Sudbury, Ontario, Canada
| | - M ElSherif
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - K Green
- Mount Sinai Hospital, Toronto, Ontario, Canada
| | - F Haguinet
- GlaxoSmithKline Biologicals, Wavre, Belgium
| | - S Halperin
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - B Ibarguchi
- GlaxoSmithKline, Mississauga, Ontario, Canada
| | - K Katz
- North York General Hospital, Toronto, Ontario, Canada
| | - JM Langley
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | | | - B Light
- St. Boniface Hospital, Winnipeg, Manitoba, Canada
| | - M Loeb
- McMaster University, Hamilton, Ontario, Canada
| | - J E McElhaney
- Advanced Medical Research Institute of Canada, Sudbury, Ontario, Canada
| | - D MacKinnon-Cameron
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | | | - M Poirier
- Centre de santé et de service sociaux de Trois-Rivieres, Trois-Rivieres, Quebec, Canada
| | - J Powis
- Toronto East General Hospital, Toronto, Ontario, Canada
| | - D Richardson
- William Osler Health Centre, Brampton, Ontario, Canada
| | - M Semret
- McGill University, Montreal, Quebec, Canada
| | - S Smith
- University of Alberta, Edmonton, Alberta, Canada
| | - D Smyth
- The Moncton Hospital, Moncton, New Brunswick, Canada
| | - G Stiver
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | - L Valiquette
- Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - D Webster
- Horizon Health, Saint John, New Brunswick, Canada
| | - L Ye
- Canadian Center for Vaccinology, IWK Health Centre and Capital Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - A McGeer
- Mount Sinai Hospital, Toronto, Ontario, Canada
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