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2. Bloodstream Infections in Children Hospitalized for Influenza, the Canadian Immunization Monitoring Program Active

Author

Modler, Jacqueline, Morris, Shaun K., Bettinger, Julie A., Bancej, Christina, Burton, Catherine, Foo, Cheryl, Halperin, Scott A., Jadavji, Taj, Kazmi, Kescha, Sadarangani, Manish, Schober, Tilmann, Papenburg, Jesse, Bridger, Natalie, Top, Karina, Thibeault, Roseline, Moore, Dorothy L., Lebel, Marc, Saux, Nicole Le, Purewal, Rupeena, Sauvé, Laura, and Bullard, Jared

Published
2024
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3. Bloodstream Infections in Children Hospitalized for Influenza, the Canadian Immunization Monitoring Program Active (IMPACT)

Author

Modler, Jacqueline, Morris, Shaun K., Bettinger, Julie A., Bancej, Christina, Burton, Catherine, Foo, Cheryl, Halperin, Scott A., Jadavji, Taj, Kazmi, Kescha, Sadarangani, Manish, Schober, Tilmann, Papenburg, Jesse, Bridger, Natalie, Top, Karina, Thibeault, Roseline, Moore, Dorothy L., Lebel, Marc, Saux, Nicole Le, Purewal, Rupeena, Sauvé, Laura, and Bullard, Jared

Published
2023
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4. Outcomes of immunocompromised children hospitalized for Influenza, 2010-2021, the Canadian Immunization Monitoring Program Active (IMPACT)

Author

Foo, Cheryl, Bridger, Natalie, Halperin, Scott A., Top, Karina, Thibeault, Roseline, Papenburg, Jesse, Lebel, Marc, Le Saux, Nicole, Morris, Shaun K., Kazmi, Kescha, Bullard, Jared, Purewal, Rupeena, Jadavji, Taj, Burton, Catherine, Bettinger, Julie A., Sauvé, Laura, Sadarangani, Manish, Schober, Tilmann, Bancej, Christina, and Modler, Jacqueline

Published
2023
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6. The effect of the COVID-19 pandemic on influenza-related hospitalization, intensive care admission and mortality in children in Canada: A population-based study

Author

Bancej, Christina, Burton, Catherine, Embree, Joanne, Foo, Cheryl, Bridger, Natalie, Morris, Robert, Jadavji, Taj, Lebel, Marc, Le Saux, Nicole, Top, Karina A., Tan, Ben, McConnell, Athena, Purewal, Rupeena, Déry, Pierre, Thibeault, Roseline, Vaudry, Wendy, Tran, Dat, Sauvé, Laura, Moore, Dorothy L., Lefebvre, Marie-Astrid, Groves, Helen E., Papenburg, Jesse, Mehta, Kayur, Bettinger, Julie A., Sadarangani, Manish, Halperin, Scott A., and Morris, Shaun K.

Published
2022
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15. 2613. Pediatric respiratory syncytial virus hospitalizations, 2017 to 2022, the Canadian Immunization Monitoring Program Active (IMPACT)

Author

Bourdeau, Malou, primary, Vadlamudi, Nirma K, additional, Bancej, Christina, additional, Bastien, Nathalie, additional, Embree, Joanne, additional, Halperin, Scott, additional, Hudgin, Andrea, additional, Jadavji, Taj, additional, Kazmi, Kescha, additional, Langley, Joanne M, additional, Lebel, Marc, additional, Le Saux, Nicole, additional, Moore, Dorothy L, additional, Morris, Shaun, additional, Pernica, Jeffrey, additional, Robinson, Joan, additional, Sadarangani, Manish, additional, Bettinger, Julie A, additional, and Papenburg, Jesse, additional

Published
2023
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16. Effets projetes des mesures de sante publique non pharmacologiques visant a prevenir la recrudescence de la transmission du SRAS-CoV-2 au Canada

Author

Ng, Victoria, Fazil, Aamir, Waddell, Lisa A., Bancej, Christina, Turgeon, Patricia, Otten, Ainsley, Atchessi, Nicole, and Ogden, Nicholas H.

Subjects
Infection, Disease transmission, Coronaviruses, Health
Abstract

CONTEXTE : Il faudra prendre des mesures continues contre la transmission communautaire du coronavirus du syndrome respiratoire aigu severe 2 (SRAS-CoV-2) pour prevenir d'autres vagues d'infection. Nous avons explore les effets des interventions non pharmacologiques sur la transmission projetee du SRAS-CoV-2 au Canada. METHODES : Nous avons cree un modele de la population canadienne a base d'agents integrant l'age qui simule les effets des mesures de sante publique, selon leur intensite actuelle et projetee, sur la transmission du SRAS-CoV-2. Les mesures etudiees sont le depistage et l'isolement des cas, la recherche de contacts et la mise en quarantaine, l'eloignement sanitaire et la fermeture des espaces partages. Nous avons evalue l'effet des mesures prises individuellement et celui des mesures combinees. RESULTATS : En l'absence de mesures, 64,6 % (intervalle de credibilite [ICr] a 95 % : 63,9 %-65,0 %) des Canadiens contracteraient le SRAS-CoV-2 (taux d'attaque global), et 3,6 % (ICr a 95 % 2,4 %-3,8 %) des personnes infectees en mourraient. En poursuivant le depistage et la recherche de contacts a la meme intensite que pendant la periode de reference, sans maintenir l'eloignement sanitaire ou refermer certains endroits, le pays connaTtrait un taux d'attaque global de 56,1 % (ICr a 95 % 0,05 %-57,1 %); si ces mesures etaient accrues, le taux d'attaque chuterait a 0,4 % (ICr a 95 % 0,03 %-23,5 %). En combinant ce dernier scenario et le maintien de l'eloignement sanitaire, le taux tomberait a 0,2 % (ICr a 95 % 0,03 %-1,7 %). Ce scenario est le seul qui garderait la demande en soins hospitaliers et intensifs sous la capacite, qui previendrait presque tous les deces et qui mettrait fin a l'epidemie. La prolongation de la fermeture des ecoles aurait un effet minime, mais reduirait la transmission en milieu scolaire. Par contre, la prolongation de la fermeture des lieux de travail et des lieux publics reduirait de maniere marquee le taux d'attaque et mettait habituellement ou toujours fin a l'epidemie, selon les differents scenarios simules. INTERPRETATION : Le controle de la transmission du SRAS-CoV-2 passera par l'amelioration et le maintien des mesures, tant communautaires qu'individuelles. Autrement, il y aura une recrudescence de l'epidemie, et un risque de surcharger le systeme de sante., Le 11 mars 2020, l'Organisation mondiale de la Sante a officiellement declare le statut de pandemie pour la maladie causee par le coronavirus du syndrome respiratoire aigu severe 2 (SRAS-CoV-2), [...]

Published
2020
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17. Outcomes of immunocompromised children hospitalized for Influenza, 2010-2021, the Canadian Immunization Monitoring Program Active (IMPACT)

Author

Schober, Tilmann, primary, Morris, Shaun K., additional, Bettinger, Julie A., additional, Bancej, Christina, additional, Burton, Catherine, additional, Foo, Cheryl, additional, Halperin, Scott A., additional, Jadavji, Taj, additional, Kazmi, Kescha, additional, Modler, Jacqueline, additional, Sadarangani, Manish, additional, Papenburg, Jesse, additional, Bridger, Natalie, additional, Top, Karina, additional, Thibeault, Roseline, additional, Lebel, Marc, additional, Le Saux, Nicole, additional, Bullard, Jared, additional, Purewal, Rupeena, additional, and Sauvé, Laura, additional

Published
2023
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18. National influenza mid-season report, 2022–2023: A rapid and early epidemic onset

Author

Ben Moussa, Myriam, Buckrell, Steven, Rahal, Abbas, Schmidt, Kara, Lee, Liza, Bastien, Nathalie, and Bancej, Christina

Subjects
Surveillance, General Medicine
Abstract

Canada’s 2022–2023 national influenza epidemic was declared in epidemiological week 43 (week ending October 29, 2022), relatively early in comparison to historical seasons. This year marks the return to pre-pandemic-like influenza circulation, following the brief and delayed influenza epidemic declared in the spring of the 2021–2022 season. To date this season, 59,459 detections of influenza have been reported out of 456,536 tests; both values exceeding historical averages. This epidemic is being fundamentally driven by influenza A, with influenza A(H3N2) accounting for 94% of subtyped detections. This season to date has had a significant impact on adolescents and young children, with a high proportion of detections occurring in those aged 0–19 years (42%). Provinces and territories have reported higher than usual influenza-associated hospitalizations, intensive care unit admissions, and deaths in comparison with previous seasons; in particular, paediatric hospitalization incidence was persistently far above historical peak levels for several weeks. The return of seasonal influenza circulation highlights the importance of sustained vigilance with regard to influenza and employment of available mitigation measures, especially of annual seasonal influenza vaccination.

Published
2023

19. Projected effects of nonpharmaceutical public health interventions to prevent resurgence of SARS-CoV-2 transmission in Canada

Author

Ng, Victoria, Fazil, Aamir, Waddell, Lisa A., Bancej, Christina, Turgeon, Patricia, Otten, Ainsley, Atchessi, Nicole, and Ogden, Nicholas H.

Subjects
Quarantine -- Health aspects, Canadians -- Health aspects, Severe acute respiratory syndrome -- Prevention, Coronaviruses -- Health aspects, Epidemics -- Prevention, Public health -- Health aspects, COVID-19 -- Prevention, Contact tracing -- Health aspects, Health
Abstract

BACKGROUND: Continual efforts to eliminate community transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be needed to prevent additional waves of infection. We explored the impact of nonpharmaceutical interventions on projected SARS-CoV-2 transmission in Canada. METHODS: We developed an age-structured agent-based model of the Canadian population simulating the impact of current and projected levels of public health interventions on SARS-CoV-2 transmission. Interventions included case detection and isolation, contact tracing and quarantine, physical distancing and community closures, evaluated alone and in combination. RESULTS: Without any interventions, 64.6% (95% credible interval [CrI] 63.9%-65.0%) of Canadians will be infected with SARS-CoV-2 (total attack rate) and 3.6% (95% CrI 2.4%-3.8%) of those infected and symptomatic will die. If case detection and contact tracing continued at baseline levels without maintained physical distancing and reimplementation of restrictive measures, this combination brought the total attack rate to 56.1% (95% CrI 0.05%-57.1%), but it dropped to 0.4% (95% CrI 0.03%-23.5%) with enhanced case detection and contact tracing. Combining the latter scenario with maintained physical distancing reduced the total attack rate to 0.2% (95% CrI 0.03%-1.7%) and was the only scenario that consistently kept hospital and intensive care unit bed use under capacity, prevented nearly all deaths and eliminated the epidemic. Extending school closures had minimal effects but did reduce transmission in schools; however, extending closures of workplaces and mixed-age venues markedly reduced attack rates and usually or always eliminated the epidemic under any scenario. INTERPRETATION: Controlling SARSCoV-2 transmission will depend on enhancing and maintaining interventions at both the community and individual levels. Without such interventions, a resurgent epidemic will occur, with the risk of overwhelming our health care systems., On Mar. 11, 2020, the World Health Organization declared coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a pandemic. (1,2) By June 28, the pandemic [...]

Published
2020
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25. National influenza mid-season report, 2022--2023: A rapid and early epidemic onset.

Author

Moussa, Myriam Ben, Buckrell, Steven, Rahal, Abbas, Schmidt, Kara, Lee, Liza, Bastien, Nathalie, and Bancej, Christina

Subjects
SEASONAL influenza, EPIDEMICS, INTENSIVE care units, SPRING, INFLUENZA vaccines
Abstract

Canada's 2022--2023 national influenza epidemic was declared in epidemiological week 43 (week ending October 29, 2022), relatively early in comparison to historical seasons. This year marks the return to pre-pandemic-like influenza circulation, following the brief and delayed influenza epidemic declared in the spring of the 2021--2022 season. To date this season, 59,459 detections of influenza have been reported out of 456,536 tests; both values exceeding historical averages. This epidemic is being fundamentally driven by influenza A, with influenza A(H3N2) accounting for 94% of subtyped detections. This season to date has had a significant impact on adolescents and young children, with a high proportion of detections occurring in those aged 0--19 years (42%). Provinces and territories have reported higher than usual influenza-associated hospitalizations, intensive care unit admissions, and deaths in comparison with previous seasons; in particular, paediatric hospitalization incidence was persistently far above historical peak levels for several weeks. The return of seasonal influenza circulation highlights the importance of sustained vigilance with regard to influenza and employment of available mitigation measures, especially of annual seasonal influenza vaccination. [ABSTRACT FROM AUTHOR]

Published
2023
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27. The effect of the COVID-19 pandemic on influenza-related hospitalization, intensive care admission and mortality in children in Canada: A population-based study

Author

Groves, Helen E., primary, Papenburg, Jesse, additional, Mehta, Kayur, additional, Bettinger, Julie A., additional, Sadarangani, Manish, additional, Halperin, Scott A., additional, Morris, Shaun K., additional, Bancej, Christina, additional, Burton, Catherine, additional, Embree, Joanne, additional, Foo, Cheryl, additional, Bridger, Natalie, additional, Morris, Robert, additional, Jadavji, Taj, additional, Lebel, Marc, additional, Le Saux, Nicole, additional, Top, Karina A., additional, Tan, Ben, additional, McConnell, Athena, additional, Purewal, Rupeena, additional, Déry, Pierre, additional, Thibeault, Roseline, additional, Vaudry, Wendy, additional, Tran, Dat, additional, Sauvé, Laura, additional, Moore, Dorothy L., additional, and Lefebvre, Marie-Astrid, additional

Published
2022
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44. Trends in hip fracture rates in Canada

Author

Leslie, William D., OEDonnell, Siobhan, Jean, Sonia, Lagace, Claudia, Walsh, Peter, Bancej, Christina, Morin, Suzanne, Hanley, David A., and Papaioannou, Alexandra

Subjects
Market trend/market analysis, Hip joint -- Fractures, Hip joint -- Forecasts and trends, Hip joint -- Statistics, Canada -- Health aspects
Abstract

A study was conducted to evaluate the trends of hip fractures in Canada. Results indicated that age-standardized rates of hip fracture have steadily declined over the years since 1985 and the reasons for this are unknown.

Published
2009

47. The influence of breast self-examination on subsequent mammography participation

Author

Jelinski, Susan E., Maxwell, Colleen J., Onysko, Jay, and Bancej, Christina M.

Subjects
Self-examination, Medical -- Research, Mammography -- Research, Government, Health care industry
Abstract

Objectives. We evaluated whether breast self-examination (BSE) influences subsequent mammography participation. Methods. We evaluated associations between BSE and subsequent mammography participation, adjusting for baseline screening behaviors and sociodemographic, health, and lifestyle characteristics, among women aged 40 years and older using data from the longitudinal Canadian National Population Health Survey. Results. Regular performance of BSE at baseline was not associated with receipt of a recent mammogram at follow-up among all women (adjusted odds ratio [OR] = 1.01; 95% confidence interval [CI] = 0.75, 1.35) or with mammography uptake among the subgroup of women reporting never use at baseline (adjusted OR=0.78; 95% CI=0.50, 1.22). Conclusions. The lack of association between performance of BSE and subsequent mammography participation suggests that not recommending BSE is unlikely to influence mammography participation.

Published
2005

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