Published Literature

Bush, K., Cayen, J., Blaser, C., Chow, B., Ellison, J., Happe, J., Quach, C., Tsang, C., Varsaneux, O., Versluys, K., Williams, V., & Mitchell, R. (2025). Minimum data cleaning recommendations for infection prevention and control acute care surveillance reporting: A solution for “garbage in, garbage out.” Canada Communicable Disease Report, 51(9), 344–351. https://doi.org/10.14745/ccdr.v51i09a03

Bush, K., Tsang, C., Chow, B., Tamuno, O., & Gagnon, H. (2025). Implementation of a competency framework in an infection prevention and control program: An evaluation using RE-AIM. Canadian Journal of Infection Control, 40(1), 33–38. Retrieved from https://cjic.ca/images/PDFs/Spring_2025/10.36584cjic.2025.001.04_Implementation-of-a-competency-framework_pgs32-38.pdf

Caddey, B., Fisher, S., Barkema, H. W., & Nobrega, D. B. (2025). Companions in antimicrobial resistance: Examining transmission of common antimicrobial-resistant organisms between people and their dogs, cats, and horses. Clinical Microbiology Reviews, 38(1), e00146-22. https://doi.org/10.1128/cmr.00146-22

Leal, J., Bush, K., Cundict, F., Ellison, J., Gagnon, H., Herrick, T., Jagpal, S., Meyers, G., Pearce, C., Scott, E., Stuber, L., Armstrong, L., McFerran, B., Thurston, B., Conly, J., Dixit, D., Larios, O., & Smith, S. (2025). Research priorities in infection prevention and control in Alberta, Canada: A modified Delphi process. Journal of Hospital Infection. https://doi.org/10.1016/j.jhin.2025.07.023

Mitchell, R., Mataseje, L., Cayen, J., McGill, E., Cannon, K., Davis, I., Duncombe, T., Ellis, C., Ellison, J., Happe, J., Hota, S. S., Katz, K. C., Kibsey, P., Lee, S., Leis, J. A., Li, X., McGeer, A., Minion, J., Musto, S., Patterson, C., Rajda, E., Smith, S. W., Srigley, J. A., Suh, K. N., … Longtin, Y. (2025). The evolving epidemiology of carbapenemase-producing Enterobacterales in Canadian acute care facilities, 2010–2023. Antimicrobial Resistance & Infection Control, 14, Article 88. https://doi.org/10.1186/s13756-025-01602-w

Published Literature

Gagnon, H., Hearn, K., Tsang, C., Yip, E., Stuber, L., Ile, E., Bridger, L., Saulnier, G., Hanson, H. M., & Leal, J. (2024). “We could have used a lot more of this before…”: A qualitative study understanding barriers and facilitators to implementing a provincial PPE safety coach program during the COVID-19 pandemic. American Journal of Infection Control, 52(8), 947–957. https://doi.org/10.1016/j.ajic.2024.03.008

Gagnon, H., Pokhrel, A., Bush, K., Cordoviz, M., Ewashko, T., Galetta, F., & Leal, J. (2024). Limited reduction in Clostridioides difficile and methicillin-resistant Staphylococcus aureus with the use of an aerosolized hydrogen peroxide disinfection system in tertiary healthcare facilities in Alberta, Canada. American Journal of Infection Control, 52(4), 410–418. https://doi.org/10.1016/j.ajic.2023.09.019

Published Literature

Acosta, N., Bautista, M. A., Waddell, B. J., Du, K., McCalder, J., Pradhan, P., Sedaghat, N., Papparis, C., Beaudet, A. B., Chen, J., Van Doorn, J., Xiang, K., Chan, L., Vivas, L., Low, K., Lu, X., Lee, J., Westlund, P., Chekouo, T., … Parkins, M. D. (2023). Surveillance for SARS‐CoV‐2 and its variants in wastewater of tertiary care hospitals correlates with increasing case burden and outbreaks. Journal of Medical Virology, 95(2), 1–11. https://doi.org/10.1002/jmv.28442

Bourget-Murray, J., Piroozfar, S., Smith, C., Ellison, J., Bansal, R., Sharma, R., … Powell, J. N. (2023). Annual incidence and assessment of risk factors for early-onset deep surgical site infection following primary total knee arthroplasty in osteoarthritis. The Bone & Joint Journal, 105-B(9), 971–976. https://doi.org/10.1302/0301-620X.105B9.BJJ-2022-1293.R1

Bresee, L. C., Lamont, N., Ocampo, W., Holroyd-Leduc, J., Sabuda, D., Leal, J., Dalton, B., Kaufman, J., Missaghi, B., Kim, J., Larios, O. E., Henderson, E., Raman, M., Fletcher, J. R., Faris, P., Kraft, S., Shen, Y., Louie, T., & Conly, J. M. (2023). Implementation strategies for hospital-based probiotic administration in a stepped-wedge cluster randomized trial design for preventing hospital-acquired Clostridioides difficile infection. BMC Health Services Research, 23(1). https://doi.org/10.1186/s12913-023-10350-9

Ellison, J., Cayen, J., Pelude, L., Mitchell, R., & Bush, K. (2023). Evaluation of the accuracy in the application of the Canadian Nosocomial Infection Surveillance Program (CNISP) bloodstream infection surveillance definitions. Canadian Journal of Infection Control, 38(4), 19–22. Retrieved from https://www.cjic.ca/images/PDFs/Spring_2023/10.36584cjic.2023.001.02_Evaluation-of-the-accuracy_pgs19-22.pdf

Gagnon, H., Pokhrel, A., Bush, K., Cordoviz, M., Ewashko, T., Galetta, F., & Leal, J. (2023). Limited reduction in Clostridioides difficile and methicillin-resistant Staphylococcus aureus with the use of an aerosolized hydrogen peroxide disinfection system in tertiary healthcare facilities in Alberta, Canada. American Journal of Infection Control. https://doi.org/10.1016/j.ajic.2023.09.019

Jamilano, J., Shen, Y., Ellison, J., & Leal, J. (2023). Cluster analysis of carbapenemase-producing organisms in Alberta using a geographic information system. Canadian Journal of Infection Control, 38(43), 120–127. Retrieved from https://cjic.ca/images/PDFs/fall2023/Cluster_analysis_of_carbapenemase-producing_organisms.pdf

Jeon, D., Chavda, S., Rennert-May, E., & Leal, J. (2023). Clinical prediction tools for identifying antimicrobial-resistant organism (ARO) carriage on hospital admissions: A systematic review. Journal of Hospital Infection, 134, 11–26. https://doi.org/10.1016/j.jhin.2023.01.003

Leal, J., O’Grady, H., Armstrong, L., Dixit, D., Khawaja, Z., Snedeker, K., Ellison, J., Erebor, J., Jamieson, P., Weiss, A., Salcedo, D., Roberts, K., Wiens, K., Croxen, M., Berenger, B. M., Pabbaraju, K., Lin, Y.-C., Evans, D., & Conly, J. M. (2023). Patient and ward-related risk factors in a multi-ward nosocomial outbreak of COVID-19: Outbreak investigation and matched case–control study. Antimicrobial Resistance & Infection Control, 12(21). https://doi.org/10.1186/s13756-023-01215-1

Leal, J., Shen, Y., Faris, P., Dalton, B., Sabuda, D., Ocampo, W., Bresee, L., Chow, B., Fletcher, J. R., Henderson, E., Kaufman, J., Kim, J., Raman, M., Kraft, S., Lamont, N. C., Larios, O., Missaghi, B., Holroyd-Leduc, J., Louie, T., & Conly, J. (2023). Effectiveness of Bio-K for the prevention of Clostridioides difficile infection: Stepped-wedge cluster-randomized controlled trial. Infection Control & Hospital Epidemiology, 45(4), 443–451. https://doi.org/10.1017/ice.2023.169

Mitchell, R., Cayen, J., Thampi, N., Frenette, C., Bartoszko, J., Choi, K. B., Comeau, J. L., Conly, J., Ellis, C., Ellison, J., Embil, J., Evans, G., Johnston, L., Johnstone, J., Katz, K. C., Kibsey, P., Lee, B., Lefebvre, M.-A., Longtin, Y., … Pelude, L. (2023). Trends in severe outcomes among adult and pediatric patients hospitalized with COVID-19 in the Canadian Nosocomial Infection Surveillance Program, March 2020 to May 2022. JAMA Network Open, 6(4). https://doi.org/10.1001/jamanetworkopen.2023.9050

Mitchell, R., Lee, D., Pelude, L., Comeau, J. L., Conly, J., Ellis, C., Ellison, J., Embil, J., Evans, G., Johnston, L., Johnstone, J., Katz, K. C., Kibsey, P., Lee, B., Lefebvre, M.-A., Longtin, Y., McGeer, A., Mertz, D., Minion, J., … Frenette, C. (2023). A descriptive analysis of nirmatrelvir-ritonavir use among adults hospitalized with COVID-19 during the Omicron phase of the COVID-19 pandemic, Canadian Nosocomial Infection Surveillance Program. Canada Communicable Disease Report, 49(7/8), 351–357. https://doi.org/10.14745/ccdr.v49i78a07

Pfister, T. R., Chow, B., Shen, Y., Ellison, J., & Bush, K. (2023). The associated impact of standardized admission screening on vancomycin-resistant Enterococci bloodstream infections. Infection Control & Hospital Epidemiology, 44(8), 1289–1293. https://doi.org/10.1017/ice.2022.239

Rennert-May, E., Chew, D., Cannon, K., Zhang, Z., Smith, S., King, T., Exner, D. V., Larios, O. E., & Leal, J. (2023). The economic burden of cardiac implantable electronic device infections in Alberta, Canada: A population-based study using validated administrative data. Antimicrobial Resistance & Infection Control, 12(1). https://doi.org/10.1186/s13756-023-01347-4

Tsang, C. C., Holroyd-Leduc, J. M., Ewa, V., Conly, J. M., Leslie, M. M., & Leal, J. R. (2023). Barriers and facilitators to the use of personal protective equipment in long-term care: A scoping review. Journal of the American Medical Directors Association, 24(1), 1–8. https://doi.org/10.1016/j.jamda.2022.11.012

Wu, G., Cheligeer, C., Southern, C. A., Martin, E. A., Xu, Y., Leal, J., Ellison, J., Bush, K., Williamson, T., Quan, H., & Eastwood, C. A. (2023). Development of machine learning models for the detection of surgical site infections following total hip and knee arthroplasty: A multicenter cohort study. Antimicrobial Resistance & Infection Control, 12(88). https://doi.org/10.1186/s13756-023-01294-0

Published Literature

O’Grady, H. M., Dixit, D., Khawaja, Z., Snedeker, K., Ellison, J., Erebor, J., Jamieson, P., Weiss, A., Salcedo, D., Roberts, K., Wiens, K., Etches, N., Leal, J., & Conly, J. M. (2022). Asymptomatic severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection in adults is uncommon using rigorous symptom characterization and follow-up in an acute-care adult hospital outbreak. Infection Control & Hospital Epidemiology, 44(7), 1193–1195. https://doi.org/10.1017/ice.2022.168

Versluys, K., Pfister, T., Ellison, J., & Bush, K. (2022). Hospital-acquired antibiotic-resistant organisms among patients with COVID-19. Canadian Journal of Infection Control, 37(2), 74–76. Retrieved from https://www.cjic.ca/images/PDFs/IPAC_Summer2022_74_76.pdf

Published Literature

Acosta, N., Bautista, M.A., Hollman, J., McCalder, J., Beaudet, A.B., Mann, L., Waddell, B.J., Chen, J., Li, C., Kuzma, D., Bhatnagar, S., Leal, J., Meddings, J., Hu, J., Cabaj, J.L., Ruecker, N.J., Naugler, C., Pillai, D.R., Achari, G., Ryan, M.C., Conly, J.M., Frankowski, K., Hubert, C.RJ., & Parkins, M.D. (2021). A multicenter study investigating SARS-CoV-2 in tertiary care hospital wastewater. Viral burden correlates with increasing hospitalized cases as well as hospital-associated transmissions and outbreaks. Water Research, 201(1). https://doi.org/10.1016/j.watres.2021.117369

Ellison, J., Boychuk, L., Chakravorty, D., Chandran, A., Conly, J., Howatt, A., . . . Bush, K. (2021). A comparison of surgical site infections following total hip replacement and total knee replacement surgeries identified by Infection Prevention and Control and the National Surgical Quality Improvement Program in Alberta, Canada. Infection Control & Hospital Epidemiology, 1-7. https://doi.org/10.1017/ice.2021.159

Mitchell, R., Choi, K. B., Pelude L., Rudnick, W., Thampi N., & Taylor G. (2021). Patients in hospital with laboratory-confirmed COVID-19 in a network of Canadian acute care hospitals, Mar. 1 to Aug. 31, 2020: a descriptive analysis. CMAJ Open, 9 (1) E149-E156 

Rennert-May, E., Leal, J., Thang, N. X., Lang, E., Dowling, S., Manns, B., Wasylak, T., & Ronksley, P. E. (2021).The impact of COVID-19 on hospital admissions and emergency department visits: a population-based study. PLoS ONE, 2021; 16(6):e0252441. https://doi.org/10.1371/journal.pone.0252441

Rennert-May, E., Raj, S., Leal, J., Exner, D., Manns, B., & Chew, D. (2021). An economic evaluation of an antibiotic impregnated envelope for preventing infection in cardiac implantable electronic devices. Eurospace, 23(5), 767-774 E156. https://doi.org/10.9778/cmajo.20200246

Shen, Y., Ellison, J., Leal, J., Bush, K. R., Chandran, A. U., Fathima, S., & Conly, J. M. (2021). The use of laboratory-identified event surveillance to classify adverse outcomes due to Clostridioides difficile infection in Canadian long-term care facilities. Infection Control Hospital Epidemiology, 42(5), 557-564. https://doi.org/10.1017/ice.2020.1269