See you next year in Calgary!

Day(s)

:

Hour(s)

:

Minute(s)

:

Second(s)

WP001-WP096

Wednesday, April 10

11:00 – 20:00
Poster Viewing
12:45 – 13:45
Poster presenters at their posters to answers questions

WP001             WITHDRAWN

WP002
Antimicrobial Stewardship Quality Improvement Intervention for Enterococcus bacteremia

Shemina Kanji1, Irina Rajakumar2, Deana Sabuda2, Daniel Gregson3, Elissa Rennert-May3, John M Conly3

1University of Alberta, Edmonton, Canada. 2Alberta Health Services, Calgary, Canada. 3Department of Medicine, University of Calgary, Calgary, Canada

WP003
Evaluating the feasibility of a reflex testing algorithm for Neisseria gonorrhoeae culture and NAAT co-testing requests

Mihaela Anca Serbanescu1, Lee W Goneau2

1Dynacare Laboratories, Brampton, ON. 2Dynacare Laboratories, Brampton, ON, Canada

WP004
Characterization of daptomycin use in leukemia bone marrow transplantation, intensive care, and solid organ transplant patients at a Canadian tertiary hospital

Alyssa Azote1, Rosanne Thalakada2, Ivy Chow2, Tim Lau2, Alissa Wright2, Jennifer Grant3

1University of British Columbia, Vancouver, BC, Canada. 2Vancouver General Hospital, Vancouver, BC, Canada. 3British Columbia Centre for Disease Control, Vancouver, BC, Canada

WP005
Crafting Double Drug Antibiograms for Enhanced Antimicrobial Precision

Connie TY Xie1, Ceylon V Simon1, Susan M Poutanen1,2

1University Health Network/Sinai Health Department of Microbiology, Toronto, ON, Canada. 2Departments of Laboratory Medicine & Pathobiology and Medicine, University of Toronto, Toronto, ON, Canada

WP006
Evaluation of antibiotic prophylaxis for peri-operative infections in vascular surgery: A retrospective analysis at Vancouver General Hospital

Nakyung Kim1,2, Ivy Chow1,3, Joyce Chang4, Teresa Hao3, Sarah Drost5, Tim TY Lau1,3, Jennifer Grant6, Tony Gu1,3

1University of British Columbia, Vancouver, BC, Canada. 2University of Toronto, Toronto, ON, Canada. 3Vancouver General Hospital, Vancouver, BC, Canada. 4St. Paul’s Hospital, Vancouver, BC, Canada. 5Alberta Health Services, Edmonton, AB, Canada. 6British Columbia Centre for Disease Control, Vancouver, BC, Canada

WP007
Guideline adherence of antibiotic prescriptions for urinary tract infections in a pediatric emergency department

Alino Demean Loghin1, Brandon Noyon1, Jocelyn Gravel2, Caroline Quach-Thanh1

1Universite de Montreal Faculty of Medicine, Montreal, QC, Canada. 2CHU Sainte-Justine, Montreal, QC, Canada

WP008
S. aureus skin and soft tissue (SSTI) isolate sensitivities in northern Manitoba and northwestern Ontario communities seen in the context of empiric therapeutic decision making

Pamela Orr1, Yoko Schreiber1,2, Linda Larcombe1, Kelly MacDonald1, Andrew Walkty1

1University of Manitoba, Winnipeg, MB, Canada. 2Northern Ontario School of Medicine, Sioux Lookout, Ontario, Canada

WP009
Improving aminoglycoside resistance surveillance and stewardship efforts through nomenclature harmonization with the Comprehensive Antibiotic Resistance Database

Brian P Alcock1,2, Emily A Bordeleau3, Andrew G McArthur1,2

1Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, ON, Canada. 2Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada. 3Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada

WP010
Bridging the Gap: Unveiling the Crucial Role of Mycobacterium Antibiograms in Antimicrobial Precision

Connie TY Xie1, Ceylon V Simon1, Susan M Poutanen1,2

1University Health Network/Sinai Health Department of Microbiology, Toronto, ON, Canada. 2Departments of Laboratory Medicine & Pathobiology and Medicine, University of Toronto, Toronto, ON, Canada

WP011
Implementation of an antimicrobial stewardship intervention to improve management of bacteriuria and candiduria in hospitalized adults

Emily Black1,2,3, Dianne MacLean2,3, Paul Bonnar1,2, Valerie Murphy2, Madison Bell1,2, Andrea Kent2, Kim Abbass2, Heather Neville2, Tasha Ramsey1,2, Ingrid Sketris1, B Lynn Johnston1,2

1Dalhousie University, Halifax, NS, Canada. 2Nova Scotia Health, Halifax, NS, Canada. 3IWK Health, Halifax, NS, Canada

WP012
Decreasing antibiotic use in infants is correlated with a declining asthma incidence rate at the population level, 2000–2019

Carl Zou1, Abdullah Mamun2,3, Sade Stenlund3, Hannah Lishman1, Erica Chuang1, David M Patrick1,3

1BC Centre for Disease Control, Vancouver, BC, Canada. 2Pfizer Canada, Vancouver, BC, Canada. 3School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada

WP013
The impact of CLSI M100E33 Enterobacterales aminoglycoside breakpoint changes on available treatment options for β-lactam resistant organisms in Canada

Ellen G Avery1, Elizabeth Leung2,3,4, Taylor Laughlin5, Kevin Brown6, Larissa M Matukas1,5

1Department of Laboratory Medicine & Pathobiology, University of Toronto, Toronto, ON, Canada. 2St. Michael’s Hospital, Department of Pharmacy, Unity Health Toronto, Toronto, ON, Canada. 3Li Ka Shing Knowledge Institute, Toronto, ON, Canada. 4Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada. 5Department of Laboratory Medicine, Unity Health Toronto, Toronto, ON, Canada. 6Public Health Ontario, Toronto, ON, Canada

WP014
In-vitro antibacterial activity of some plant infusions against biofilm-forming methicillin-resistant Staphylococcus aureus

Tesleem Adewale Ibrahim

Queens University, Belfast, United Kingdom

WP015
Antimicrobial susceptibility of Neisseria gonorrhoeae isolates in Yaoundé, Cameroon

Carolle Yanique Tayimetha1, Unemo Magnus2

1Catholic University of Central Africa, Yaounde, Cameroon. 2Orebro University Hospital, Orebro, Sweden

WP016
Off-label use of dalbavancin to improve treatment outcomes and reduce healthcare costs: a single-center quality improvement initiative

Adrianna Gunton1, Mara Pavan2, Victor Leung1, William J Connors1

1University of British Columbia, Vancouver, BC, Canada. 2St. Paul’s Hospital, Vancouver, BC, Canada

WP017
Phage Science, Therapeutics, and Research: The Public Health Agency of Canada’s New Phage Therapy Program

Michael Parcey1, Amrita Bharat1,2, Natalie Knox1,2, Michael R Mulvey1,2

1Public Health Agency of Canada, Winnipeg, MB, Canada. 2University of Manitoba, Winnipeg, MB, Canada

WP018            WITHDRAWN

WP019
Ceftobiprole usage in Canada: Final results from the CLEAR Registry

George G Zhanel1, Justin Kosar2, Melanie Baxter1, Rita Dhami3, Sergio Borgia4, Neal Irfan5, Gordon Dow6, Maxime Dubé7, Teagan Rolf von den Baumen3, Carlo Tascini8, Anna Lee9, Zain Chagla10, Gabriel Girouard11, Samuel Bourassa-Blanchette12, May Wu13, Yoav Keynan1, Andrew Walkty1, James Karlowsky1

1University of Manitoba, Winnipeg, MB, Canada. 2Royal University Hospital, Saskatoon, SK, Canada. 3London Health Sciences Centre, London, ON, Canada. 4William Osler Health System, Brampton, ON, Canada. 5Hamilton Health Sciences Centre, Hamilton, ON, Canada. 6The Moncton Hospital, Moncton, NB, Canada. 7Sainte-Croix Hospital, Drummondville, QC, Canada. 8Cotugno Hospital, Naples, Italy. 9Scarborough Health Network, Toronto, ON, Canada. 10St. Joseph’s Healthcare, Hamilton, ON, Canada. 11Dr. Georges-L.-Dumont University Hospital, Moncton, NB, Canada. 12Memorial University, St. John’s, NL, Canada. 13Surrey Memorial Hospital, Vancouver, BC, Canada

WP020
Treating hospital-acquired, ventilated hospital-acquired and ventilatory-associated bacterial pneumonia in Canada with ceftolozane/tazobactam (C/T): Final Results from the CLEAR (Canadian LEadership on Antimicrobial Real-life usage) Registry

George Zhanel1, Rita Dhami2, Melanie Baxter1, Maggie Wong3, Yazdan Mirzanejad4, Justin Kosar5, Carlos Cervera6, Neal Irfan7, Sergio Borgia8, Alex Serebryanskyy2, Robert Ariano9, Michel Savoie10, Andrew Walkty1, James Karlowsky1

1University of Manitoba, Winnipeg, MB, Canada. 2London Health Sciences Centre, London, ON, Canada. 3Fraser Health, Surrey, BC, Canada. 4University of British Columbia, Vancouver, BC, Canada. 5Royal University Hospital, Saskatoon, SK, Canada. 6University of Alberta, Edmonton, AB, Canada. 7Hamilton Health Sciences Centre, Hamilton, ON, Canada. 8William Osler Health System, Brampton, ON, Canada. 9St. Boniface Hospital, Winnipeg, MB, Canada. 10CIUSSS de l’Est-de-l’Île-de-Montréal, Montreal, QC, Canada

WP021
How and why clinicians use IV fosfomycin in Canada: Results from the national CLEAR (Canadian LEadership on Antimicrobial Real-life usage) Registry

George Zhanel1, Melanie Baxter1, Maggie Wong2, Yazdan Mirzanejad3, Anna Lee4, Rita Dhami5, Justin Kosar6, Denise Werry7, Neal Irfan8, Jean-François Tessier9, Gabriel Girouard10, Carlo Tascini11, Teagan Rolf von den Baumen5, Michel Savoie12, Melissa Kucey6, Andrew Walkty1, James Karlowsky1

1University of Manitoba, Winnipeg, MB, Canada. 2Fraser Health, Surrey, BC, Canada. 3University of British Columbia, Vancouver, BC, Canada. 4Scarborough Health Network, Toronto, ON, Canada. 5London Health Sciences Centre, London, ON, Canada. 6Royal University Hospital, Saskatoon, SK, Canada. 7Surrey Memorial Hospital, Surrey, BC, Canada. 8Hamilton Health Sciences Centre, Hamilton, ON, Canada. 9CIUSSS de l’Est-de-l’Île-de-Montréal, Montreal, QC, Canada. 10Centre Hospitalier Universitaire Dr. Georges-L.-Dumont, Moncton, NB, Canada. 11Cotugno Hospital, Naples, Italy. 12Université de Montréal, Montreal, QC, Canada

WP022
IV dalbavancin usage in Canada: Results from the CLEAR Registry

George Zhanel1, Michael Silverman2, Janhavi Malhotra2, Melanie Baxter1, Reza Rahimi3, Wayne Leung3, Neal Irfan4, Gabriel Girouard5, Rita Dhami6, Melissa Kucey7, Vida Stankus8, Kristin Schmidt7, Andrew Walkty1, James Karlowsky1

1University of Manitoba, Winnipeg, MB, Canada. 2St. Joseph’s Health Care, London, ON, Canada. 3Western University, London, ON, Canada. 4Hamilton Health Sciences Centre, Hamilton, ON, Canada. 5Dr. Georges-L.-Dumont University Hospital, Moncton, NB, Canada. 6London Health Sciences Centre, London, ON, Canada. 7Regina General Hospital, Regina, SK, Canada. 8St. Joseph’s Healthcare Hamilton, Hamilton, ON, Canada

WP023
In vitro activity of cefditoren, a new-to-Canada oral third-generation cephalosporin, against community-acquired respiratory tract, skin/soft tissue, and urinary tract infection pathogens isolated from Canadian patients: CANWARD 2015-2020

George G Zhanel, Melanie R Baxter, James A Karlowsky, Andrew Walkty, Philippe Lagacé-Wiens, Heather J Adam

University of Manitoba, Winnipeg, MB, Canada

WP024
Phage therapy in the management of urinary tract infections: A comprehensive systematic review

Jonathan D Cook1, Amany M Al-Anany2, Payton B Hooey1, Lori L Burrows2, Julia Martyniuk3, Alexander P Hynes2,4, Greg J German1,5

1Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada. 2Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada. 3Gerstein Science Information Centre, University of Toronto, Toronto, ON, Canada. 4Department of Medicine, McMaster University, Hamilton, ON, Canada. 5Unity Health Toronto, St. Joseph’s Health Centre Chronic Infection/Phage Therapy Clinic, Toronto, ON, Canada

WP025
A replica plating method for efficient, high-throughput screening of antibiotic gene clusters in bacteria uncovers a holomycin-like cluster in the clinical isolate, Pantoea agglomerans 20KB447973

Ashlyn Kirk, John Stavrinides

University of Regina, Regina, SK, Canada

WP026
Epidemiology of Streptococcus pneumoniae serotypes 15A, 15C, 16F, 23A, 23B, 24F, 31 and 35B causing invasive pneumococcal disease (IPD) in Canada: Coverage of V116, a new 21-valent conjugate pneumococcal vaccine in the SAVE Study, 2018-2021

John J Schellenberg1, Heather J Adam1,2, Melanie R Baxter1, James A Karlowsky1,2, Alyssa R Golden3, Irene Martin3, George G Zhanel1

1University of Manitoba, Winnipeg, MB, Canada. 2Shared Health, Winnipeg, MB, Canada. 3Public Health Agency of Canada, Winnipeg, MB, Canada

WP027
Comparison of PCV-20 and PPSV-23 vaccine coverage of Streptococcus pneumoniae (SPN) serotypes in Canada: The SAVE Study, 2018-2021

John J Schellenberg1, Heather J Adam1,2, Melanie R Baxter1, James A Karlowsky1,2, Alyssa R Golden3, Irene Martin3, George G Zhanel1

1University of Manitoba, Winnipeg, MB, Canada. 2Shared Health, Winnipeg, MB, Canada. 3Public Health Agency of Canada, Winnipeg, MB, Canada

WP028
A novel data structure for prediction of phenotypic antimicrobial resistance based on whole-genome sequencing

Donald Brody Duncan1,2,3, Andrew G McArthur1,4

1Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, Canada. 2Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada. 3Hamilton Regional Laboratory Medicine Program, Hamilton ON, Canada. 4Michael G. DeGroote Institute for Infectious Disease Research, Hamilton, ON, Canada

WP029
Assessment of hybrid assembly methods for accurate plasmid reconstruction in carbapenemase-producing organisms

Adriana Cabrera Delgado1, Dan Fornika1, Benjamin Hon1, Shannon Russell1,2, James Zlosnik1,2, John Tyson1,2, Linda Hoang1,2

1BCCDC Public Health Laboratory, Vancouver, BC, Canada. 2University of British Columbia, Vancouver, BC, Canada

WP030
Does increased vancomycin MIC increase the risk of complications in patients with methicillin sensitive Staphylococcus aureus blood stream infections? A retrospective review

Alexis Donovan1, Derek Ryan2, Siena Davis2, Manal Quraishi2, Alexa Davis2, Kate McElroy2, B Lynn Johnston2, Paul Bonnar1, Ian Davis1

1NS Health, Halifax, Canada. 2Dalhousie, Halifax, Canada

WP031
Virulence Factors and Cellular Interactions of Staphylococcus aureus in Bovine Mammary Epithelial Cells

Erika CR Bonsaglia1, Bruna F Rossi2, Stefani TA Dantas1, Ivana G Castilho2, Laura BB Silva2, Ary F Junior2, Vera LM Rall2, Marcos V Santos1

1Sao Paulo University, Pirassununga, SP, Brazil. 2Sao Paulo State University, Botucatu, SP, Brazil

WP032
Characterization of enterotoxin-producing S. aureus isolated from the hands and nose of food handlers

Ivana G Castilho1, Érika CR Bonsaglia2, Stéfani TA Dantas2, Laura BB da Silva1, Ary Fernandes Jr.1, Vera LM Rall1

1São Paulo State University – UNESP, Botucatu, Brazil. 2São Paulo University – USP, Pirassununga, Brazil

WP033
Adhesion and invasion in Mac-T cells by Escherichia coli isolated from cows with clinical mastitis

Stéfani TA Dantas1,2, Vera LM Rall2, Ary Fernandes Júnior2, Laura BB Silva2, Ivana G Castilho2, Rodrigo T Hernandes2, Marcio G Ribeiro3, Helio Langoni3, José CF Pantoja3, Felipe F Guimarães3, Marcos V Santos1

1Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of São Paulo, Pirassununga/SP, Brazil. 2Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University, Botucatu/SP, Brazil. 3Department of Veterinary Hygiene and Public Health, School of Veterinary Medicine and Animal Sciences, São Paulo State University, Botucatu/SP, Brazil

WP034
Reducing false positivity rates of Neisseria gonorrhoeae nucleic acid amplification testing using a two-stage molecular testing algorithm in a low prevalence population

Matthew Spear1,2, Jason Leblanc3,4, Charles Heinstein4, Carol Pelton4, Joline Head4, Todd F Hatchette1,3,4

1Department of Medicine, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada. 2Division of Infectious Diseases, Department of Medicine, Dalhousie University, Halifax, NS, Canada. 3Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada. 4Division of Microbiology, Department of Pathology and Laboratory Medicine, Halifax, NS, Canada

WP035
Genomic analysis of environmental and clinical isolates of Vibrio parahaemolyticus collected from 1999 to 2022 in the Pacific Coast

John Palmer1, Tess MacIntyre1, Jennifer Liu2, Janet Fung1, Rob Azana1, Benjamin Hon1, Zein Jiwani2, Chelsea Leung2, Yuqin Feng2, William Hsiao3, Zohaib Anwar3, Michael Donoghue1, Diana Whellams4,5, Hasan Hamze5, John Tyson1, James Zlosnik1, Katie Eloranta2, Linda Hoang1,5

1BC Centre for Disease Control, Vancouver, BC, Canada. 2Canadian Food Inspection Agency, Burnaby Laboratory, Burnaby, BC, Canada. 3Simon Fraser University, Burnaby, BC, Canada. 4Lifelabs, Surrey, BC, Canada. 5University of British Columbia, Vancouver, BC, Canada

WP036
Antimicrobial susceptibility patterns of Viridans Group Streptococci in a Canadian tertiary care centre

Sonya J Ramondino, Donald Brody Duncan

McMaster University, Hamilton, ON, Canada

WP037
Evaluation of the use of a Vitek MS MALDI research database in the identification of rare bacterial species in a clinical laboratory

Julia MacIsaac, Richard Le, Vanessa Allen

Mount Sinai Health Systems, Toronto, ON, Canada

WP038
Transmission dynamics and genotypic diversity of Mycobacterium tuberculosis in Colombian persons deprived of liberty

Ashley J Heilmann1, Mariana Herrera1, Uriel Hurtado2, Nataly Alvarez2, Teresa Realpe2,3, Diana Marin3, Lucelly Lopez3, Luisa Arroyave4, Maria P Arbelaez5, Yoav Keynan1,6, Zulma Rueda1,3

1Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada. 2Corporacion para Investigaciones Biologicas (CIB), Medellin, Colombia. 3School of Medicine, Universidad Pontificia Bolivariana (UPB), Medellin, Colombia. 4National Collaborating Centre for Infectious Diseases (NCCID), Winnipeg, MB, Canada. 5National School of Public Health, Universidad de Antioquia, Medellin, Colombia. 6Department of Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada

WP039
A visual job aid improves filling of adult blood culture bottles in emergency departments

Clayton W Hall1,2, Marie-Eve Benoit1,2,3, Deborah Yamamura1,3

1Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada. 2Contributed equally, Hamilton, ON, Canada. 3Division of Infectious Diseases, Department of Medicine, McMaster University, Hamilton, ON, Canada

WP040
Virulence factors in Staphylococcus aureus obtained from chronic venous ulcers

Stefani Alves Dantas, Tais Lopes Saranholi, Luciana Fernandes Abbade, Laura Borim Silva, Ary Fernandes Júnior, Ivana Giovannetti Castilho, Vera Mores Rall

UNESP, Botucatu, Sao Paulo, Brazil

WP041
Assessing the risk of Mycobacterium tuberculosis transmission by tissue transplantation

Amaury Gaussen1, Gary Rockl1, Christian Renaud2, Antoine Lewin2

1Medical Affairs and Innovation, Héma-Québec, Quebec, Canada. 2Medical Affairs and Innovation, Héma-Québec, Montreal, Canada

WP042
Enhanced Caenorhabditis elegans in vivo Infection model for Screening New Antimicrobial Compounds against Gram-positive and Gram-negative Bacteria

Salman Mirza, Jo-Ann McClure, John M Conly, Kunyan Zhang

University of Calgary, Calgary, AB, Canada

WP043
Improved spore recovery from clinical samples for metagenomic sequencing

Gillian Tanabe1, David Mack2, Alain Stintzi1

1Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada. 2Department of Pediatrics, University of Ottawa, Ottawa, ON, Canada

WP044
A non-human primate model of human coronavirus HCoV-22E recapitulates aspects of respiratory disease observed in humans

Maedeh Naghibosadat1, Yanlong Pei2, Elsa Salvant1, Mia Biondi3, Kayla Gaete1, Badru Moloo4, Alyssa Goldstein4, Stacey Avery4, Kathleen Ma4, Benjamin Martin1, Samira Mubareka1, Juan Corredor1, Jesse Chao1, Eva Nagy2, Robert Kozak1,5

1Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada. 2Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada. 3School of Nursing, York University, Toronto, Ontario, Canada. 4University Health Network, Toronto, Ontario, Canada. 5Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada

WP045          WITHDRAWN

WP046
Four-week HCV prophylactic antiviral strategy for HCV-viremic donors to HCV-negative kidney transplant recipients

Yahya Shabi, Mark Robbins

Dalhousie University, Halifax, NS, Canada

WP047
The effect of antiplatelet agents on end organ dysfunction and mortality in community acquired pneumonia: A systematic review and meta-analysis

Lana G Tennenhouse1, Nicole Askin2, Ahmed M Abou-Setta3, Yoav Keynan4, Ryan Zarychanski5,6, Sylvain A Lother4,5

1Department of Internal Medicine, Max Rady College of Medicine, Winnipeg, MB, Canada. 2Neil John Maclean Health Sciences Library, University of Manitoba, Winnipeg, MB, Canada. 3George & Fay Yee Centre for Healthcare Innovation, University of Manitoba, Winnipeg, MB, Canada. 4Section of Infectious Diseases, Department of Internal Medicine, Winnipeg, MB, Canada. 5Section of Critical Care, Department of Internal Medicine, Max Rady College of Medicine, Winnipeg, MB, Canada. 6Department of Medical Oncology and Hematology, CancerCare Manitoba, Winnipeg, MB, Canada

WP048
‘It’s welcoming there’: a qualitative analysis evaluating a community-based skilled nursing facility that supports patients with substance use disorders complete antibiotic therapy for severe bacterial infections

Yousef M Shahin1, Anita Palepu2,3, Jan Hajek2

1Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada. 2Department of Medicine, University of British Columbia, Vancouver, BC, Canada. 3Centre for Health Evaluation and Outcome Sciences, University of British Columbia, Vancouver, BC, Canada

WP049
Donor diversity in fecal microbiota transplantation: microbial composition differences in donor stool microbiomes

Ceylon V Simon1, Shaista Anwer1, Bryn Hazlett1, Stephanie Fedsin2, Chantal Williams2, Bella Prodan2, Satyender Dehmiwal2, Johane Allard3,4, Susy Hota2, Susan M Poutanen1,5

1University Health Network/Mount Sinai Hospital, Department of Microbiology, Toronto, ON, Canada. 2Toronto General Hospital, University Health Network, Toronto, ON, Canada. 3University Health Network, Toronto, ON, Canada. 4Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada. 5Department of Laboratory Medicine and Pathobiology & Medicine, University of Toronto, Toronto, ON, Canada

WP050
Factors associated with a positive urine culture in pediatric patients with a diagnosis of urinary tract infections in the emergency department

Brandon Noyon1, Alino Demean Loghin1, Jocelyn Gravel2, Caroline Quach-Thanh2

1Université de Montréal, Montréal, QC, Canada. 2CHU Sainte-Justine, Montréal, QC, Canada

WP051
Factors affecting adverse events in immunocompromised patients with Pneumocystis pneumonia

Poramed Winichakoon1,2, Javier Tomas Solera Rallo1,3, Hanan Albasata1,4, Susan M Poutanen5, Seyed M Hosseini-Moghaddam1

1Transplant Infectious Diseases and Ajmera Transplant Centre, University Health Network, University of Toronto, Toronto, ON, Canada. 2Division of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand. 3Infectious Diseases Unit, Quirónsalud University Hospital, Pozuelo de Alarcón, Madrid, Spain. 4Infectious Diseases Department, Rashid Hospital, Dubai Academic Health Corporation, Dubai, UAE. 5Departments of Microbiology and Medicine, University Health Network and Sinai Health, University of Toronto, Toronto, ON, Canada

WP052
Treatment of drug resistant tuberculosis with bedaquiline, pretomanid, linezolid +/- moxifloxacin (BPaL/M): Feasibility and implementation challenges in Western Canada

Paige Muir1, Victoria J Cook1,2, Inna Sekirov3,4, James Johnston1,2, William J Connors1,2,5

1Department of Medicine, University of British Columbia, Vancouver, BC, Canada. 2Tuberculosis Services, BC Centre for Disease Control, Vancouver, BC, Canada. 3BCCDC Public Health Laboratory, BC Centre for Disease Control, Vancouver, BC, Canada. 4Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada. 5Division of Infectious Diseases, St. Paul’s Hospital, Vancouver, BC, Canada

WP053
Salmonella septic arthritis and osteomyelitis in patients receiving tumour necrosis factor alpha inhibitors

Shahrukh T Towheed, Evan W Wilson

Queen’s University, Kingston, ON, Canada

WP054
Clinical characteristics and demographics of patients experiencing methicillin sensitive Staphylococcus aureus bacteremia as a function of high inoculum cefazolin resistance – a population-based multi-year study

Alexander J Kipp, Kristine Du, Barbara Wadell, John C Lam, Julianna Svishchuk, John M Conly, Ranjani Somayaji, Annegret Ulke-Lemee, Maryam Mapar, Ian Lewis, Daniel B Gregson, Michael D Parkins

University of Calgary, Calgary, AB, Canada

WP055

Septic Bursitis: Insights from a Canadian Single-Center Study

Reza Rahimi Shahmirzadi, Lili Ataie, Esfandiar Shojaei, Michael Silverman

Western University, London, Ontario, Canada

WP056
Long COVID and associated factors among Chinese immigrants in Canada

Matin Shariati1, Ying Cao2, Xiao Han2, Mark Peddle1, Rachel Prowse1, Desai Shan1, Peizhong Peter Wang1,2,3

1Faculty of Medicine, Memorial University of Newfoundland, St. John’s, NL, Canada. 2Centre for New Immigrant Well-Being (CNIW), Markham, ON, Canada. 3Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada

WP057
Optimal Specimens for SARS-CoV-2 Testing Appear to Vary Depending on the Predominant Variant of Concern (VOC)

Justin D Callahan1, Ceylon Simon2, Susan M Poutnanen1,2

1University of Toronto, Toronto, ON, Canada. 2Mount Sinai Hospital, Toronto, ON, Canada

WP058
Clinical practice guideline-supported administration of monoclonal antibody therapy for high-risk patients with COVID-19: experience of a quaternary care center

Keely M Hammond1, François Bourdeau2, Marina Klein1,3, Donald C Vinh1,4, Makeda Semret1

1Division of Infectious Diseases, McGill University, Montréal, QC, Canada. 2Department of Pharmacy, McGill University Health Centre, Montréal, QC, Canada. 3Canadian HIV Trials Network, Canadian Institutes of Health Research, Vancouver, BC, Canada. 4Division of Experimental Medicine, Department of Medical Microbiology, and Department of Human Genetics, Montréal, QC, Canada

WP059
Assessing COVID-19 bivalent vaccine uptake and associated factors among Canadian Chinese

Matin Shariati1, Ying Cao2, Xiao Han2, Mark Peddle1, Rachel Prowse1, Desai Shan1, Peizhong Peter Wang2,3,4

1Faculty of Medicine, Memorial University of Newfoundland, St. John’s, NL, Canada. 2Centre for New Immigrant Well-Being (CNIW), Markham, ON, Canada. 3Faculty of Medicine, Memorial University of Newfoundland, St. John’s, N, Canada. 4Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada

WP060
Evaluation of a protocol for managing the cyclosporine and nirmatrelvir/ritonavir drug-drug interaction in kidney transplant recipients

Kyla Agtarap1,2, Pierre Giguère2,3,4, Marie-Josée Deschênes2, Lacey DeVreese2, Jessica McDougall2, Stephanie Hoar2,3, Swapnil Hiremath2,3

1Hôpital Montfort, Ottawa, ON, Canada. 2The Ottawa Hospital, Ottawa, ON, Canada. 3University of Ottawa, Ottawa, ON, Canada. 4Ottawa Hospital Research Institute, Ottawa, ON, Canada

WP061
Exploring the effects of vitamin D on COVID-19 infection, disease severity, and long-COVID

Ariana Ding1,2, Thomas Pan1,3, Ying Cao1, Leo Chen1,2, Peizhong Peter Wang1, 2, 4

1Centre for New Immigrant Well-Being, Markham, ON, Canada. 2University of Toronto, Toronto, ON, Canada. 3Vincent Massey Secondary School, Windsor, ON, Canada. 4Memorial University of Newfoundland, St. John’s, NL, Canada

WP062
Monitoring of SARS-CoV-2 variants in wastewater using whole genome sequencing

Melissa Wilson1, Linnet Immaraj1, Qiang Jiang1, Judy Y Qiu2, Matthew Croxen1,2, Michael Parkins3, Casey RJ Hubert3, Kevin Frankowski3, Maria Bautista3, Whitney England3, Steve Hrudey2, Bonita Lee4, Xiao-Li Pang1,2

1Department of Laboratory Medicine & Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada. 2Public Health Laboratory, Alberta Precision Laboratories, Edmonton, AB, Canada. 3University of Calgary, Calgary, AB, Canada. 4Department of Pediatrics, University of Alberta, Edmonton, AB, Canada

WP063
Performance of IgA and IgG antibodies in the serological classification of recent SARS-CoV-2 infections among pregnant individuals

Guadalein Tanunliong1, Ana Citlali Márquez2, Hind Sbihi1,2, Tamara Pidduck2, Fang Fang Li1, Danielle Luk2, Mel Krajden1,2, Agatha N Jassem1,2, Deborah Money1,3, Inna Sekirov1,2

1University of British Columbia, BC, Canada. 2British Columbia Centre for Disease Control, BC, Canada. 3Women’s Health Research Institute, BC, Canada

WP064
COVID-19 non-severe therapy consult service: reflections on a hub and spoke model

Tasha D Ramsey1,2, Mackenzie d’Entremont-Harris1, Lisa Nodwell1, Barbara Goodall1,2, Lisa Barrett1,2

1Nova Scotia Health, Halifax, NS, Canada. 2Dalhousie University, Halifax, NS, Canada

WP065
Public acceptability of rapid COVID self-testing: Insights from a community-embedded implementation project

Barbara Goodall1,2, Amy Grant3, Glenn Patriquin1,2, Todd F Hatchette1,2, Jason LeBlanc1,2, Sharon Oldford1,2, Lisa Barrett1,2

1Dalhousie University, Halifax, NS, Canada. 2Nova Scotia Health, Halifax, NS, Canada. 3Maritime SPOR SUPPORT Unit (MSSU), Halifax, NS, Canada

WP066
Care framework for individuals at risk of and experiencing persistent COVID-19

Mackenzie d’Entremont-Harris1, Tasha D Ramsey1,2, Emilie Pelletier1, Barbara Goodall1,2, Lisa Barrett1,2

1Nova Scotia Health, Halifax, NS, Canada. 2Dalhousie University, Halifax, NS, Canada

WP067
PLOVER: A novel data system for province-wide lab test aggregation, public health response, and outbreak investigations by whole genome sequencing

Chris D Fjell1,2, Shannon L Russell1,2, Yin Chang1, Hind Sbihi3,4, Kelvin Lam5, Omid Ghahramani1, Harris Kim1, James EA Zlosnik1,2, John Tyson1,2, Natalie Prystajecky1,2, Linda Hoang1,2

1BC Centre for Disease Control Public Health Laboratory, Vancouver, BC, Canada. 2Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada. 3BC Centre for Disease Control, Vancouver, BC, Canada. 4School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada. 5Provincial Health Services Authority, Vancouver, BC, Canada

WP068
Global Clinical Phage Rounds (G-CPR), an international collaborative educational forum addressing patient cases treated with bacteriophage therapy

Greg J German1,2, Holly Sinclair3,4,5, Ameneh Khatami4,6, Ran Nir-Paz7,8,9, Gina Suh10, Jon Iredell4,5,11

1Department of Laboratory Medicine, University of Toronto, Toronto, ON, Canada. 2St. Joseph’s Health Centre Chronic Infection / Phage Therapy Research Clinic, and Li Ka Shing Knowledge Institute, Unity Health Toronto, Toronto, ON, Canada. 3Research and Education Network, Westmead Hospital, Sydney, NSW, Australia. 4Westmead Institute for Medical Research, Sydney, NSW, Australia. 5University of Sydney, Sydney, NSW, Australia. 6Infectious Diseases, Westmead Children’s Hospital, Sydney, NSW, Australia. 7The Israeli Phage Therapy Center, Jerusalem, Israel. 8The Hebrew University of Jerusalem, Jerusalem, Israel. 9Hadassah-Hebrew University Medical Center, Jerusalem, Israel. 10Mayo Clinic, Rochester, MN, USA. 11Centre for Infectious Diseases and Microbiology, Westmead Hospital, Sydney NSW, Australia

WP069            WITHDRAWN

WP070
Genomic relationships between environmental and clinical Vibrio parahaemolyticus isolates in Canada

John L Palmer1, Jennifer Liu2, Tess Macintyre1, John Tyson1,3, Zohaib Anwar4, William Hsiao4, James EA Zlosnik1,3, Katie Eloranta2, Linda Hoang1,3

1BCCDC Public Health Laboratory, BC Center for Disease Control, Vancouver, BC, Canada. 2Canadian Food Inspection Agency, Burnaby Laboratory, Burnaby, BC, Canada. 3Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada. 4Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada

WP071
Pre-treatment Drug Resistance of Human Immunodeficiency Virus type 1 Subtypes in HIV Patients in Ghana: A Cross-Sectional Study

Darius NK Quansah1,2,3,4, Araba Abaidoo-Myles2,3,4, Seth Agyemang2,4, Anthony T Boateng2,3,4, Peter K Quashie2,4, George B Kyei3, Osbourne Quaye2,4, Evelyn Y Bonney2,3,4

1Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, USA. 2West African Centre for Cell Biology of Infectious Pathogens (WACCBIP), College of Basic and Applied Sciences, University of Ghana, Legon, Accra, Ghana. 3Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences, University of Ghana, Legon, Accra, Ghana. 4Department of Biochemistry, Cell and Molecular Biology, College of Basic and Applied Sciences, University of Ghana, Legon, Accra, Ghana

WP072
Evaluation of dried blood spot testing among HIV-1 viral controllers with the Roche COBAS AmpliPrep/COBAS TaqMan HIV-1 Qualitative Test, version 2.0 (HI2QCAP)

Farzan R Pavri1, Philip Lacap2, Curtis Cooper3, Jonathan Angel3, John Kim2

1Faculty of Medicine, Department of Pathology and Laboratory Medicine, Division of Microbiology, University of Ottawa, Ottawa, ON, Canada. 2National Laboratory for HIV Reference Services, JC Wilt Infectious Diseases Research Centre, Public Health Agency of Canada, Winnipeg, MB, Canada. 3Department of Medicine, Division of Infectious Diseases, University of Ottawa, Ottawa, ON, Canada

WP073
A global perspective: the gene expression profile of tuberculosis disease among people living with HIV

Erwin Taguiam1, Mariana Herrera1, Katherine Peña2, Will Riaño3, Lazaro Velez3, Paul McLaren1,4, Yoav Keynan1,5, Zulma Rueda1,6

1Department of Medical Microbiology & Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada. 2School of Microbiology, Universidad de Antioquia, Medellín, Colombia. 3School of Medicine, Universidad de Antioquia, Medellín, Colombia. 4JC Wilt Infectious Diseases Research Centre, Public Health Agency of Canada, Winnipeg, MB, Canada. 5Department of Internal Medicine, University of Manitoba, Winnipeg, MB, Canada. 6School of Medicine, Universidad Pontificia Bolivariana, Medellín, Canada

WP074
Switch to bictegravir/emtricitabine/tenofovir alafenamide (B/F/TAF) among vulnerable HIV-infected individuals: evidence for long-term efficacy.

Brian Conway1,2, Saina Beitari1, Shana Yi1

1Vancouver Infectious Diseases Centre, Vancouver, Canada. 2Simon Fraser University, Vancouver, Canada

WP075
Multiple antibiotic resistance tracing by plasmid profile analysis of bacteria isolates from medical dump bin

Ronke Abidemi Adeniyi, Adebowale Toba Odeyemi

Landmark University, Omu-Aran, Kwara State, Nigeria

WP076
Candida auris outbreak associated with patients with SARS-CoV-2 in the intensive care unit of a high-complex hospital in the city of Cúcuta, Colombia

Andres Felipe Gonzalez1, Andres Camilo Rojas2, Katlheen Velez3, Roberto Henriquez3, Leonardo David Escobar4, Andres Felipe Arias4

1Ciencia y Pedagogia – Universidad Cooperativa de Colombia, Santa Marta, Magdalena, Colombia. 2Ciencia y Pedagogia – Universidad Cooperativa de Colombia, Santa Marta, Magdalena, Comoros. 3Universidad Cooperativa de Colombia, Santa Marta, Magdalena, Colombia. 4INFECTONORTE, Cucuta, Norte de Santander, Colombia

WP077
Burkholderia cepacia ST 767 causing a three year nosocomial outbreak in a hemodialysis unit

Vera Mores Rall1, Gousilin Rocha Silva1, Stefani Alves Dantas1, Bruna Fernanda Rossi1, Erika Romao Bonsaglia1, Carlos Henrique Camargo2, Juliano L Gonçalves3, Ivana Giovannetti Castilho1, Ary Fernandes Junior1

1UNESP, Botucatu, Sao Paulo, Brazil. 2Instiuto Adolfo Lutz, Sao Paulo, Sao Paulo, Brazil. 3Michigan State University, East Lansing, MI, USA

WP078
Genetic epidemiology of invasive Serratia isolates in a tertiary hospital system: Insights from whole genome sequencing

Adam S Komorowski1,2, Michael G Surette3,4,5, Laura Rossi4, Marek Smieja1,2,3,6, Dominik Mertz2,3,6

1Medical Microbiology, Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada. 2Department of Health Research Methodology, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada. 3Michael G. DeGroote Institute for Infectious Disease Research, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada. 4Department of Biochemistry and Biomedical Sciences, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada. 5Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton, ON, Canada. 6Division of Infectious Diseases, Department of Medicine, McMaster University, Hamilton, ON, Canada

WP079
Carbapenamase-producing Enterobacterales (CPE) in patient sink and shower drains

Jennifer Tat, Philip Tran, Shara Junaid, Larissa Matukas, Matthew Muller

Unity Health Toronto, Toronto, Canada

WP080
Prevalence of Intestinal Parasites and Associated Risk Factors Among Debre Genet Primary School Students, Naeder Adiet District, Tigray, Ethiopia

Mehari Welegebral Hagos1, Teklemichael Tesfay Gebremariam2, Gebrehiwot Kiros Gebremariam2

1Aksum University, Adet, Ethiopia. 2Aksum University, Axum, Tigray, Ethiopia

WP081
Comparison of the efficacy of povidone-iodine solution with intranasal mupirocin ointment in decolonizing Staphylococcus aureus from the nasal cavity of healthcare workers: A single-blind randomized controlled trial

Sara Abolghasemi1, Mona Ghazi2, Shadi Ziaie3, Arash Mahboubi4, Latif Gachkar1, Amirreza Keyvanfar1, Mohammad Naeimipoor1

1Infectious Diseases and Tropical Medicine Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 2Department of Microbiology, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 3Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 4Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran

WP082
Surveillance for healthcare-associated infections and antimicrobial resistant organisms in Canadian long-term care homes: A cross-sectional survey

Jessica Bartoszko1, Andrew Neitzel1, Zainab Suleman1, Barbara Catt1, Tamara Duncombe2, Jennifer Happe2, Jennie Johnstone2, Ramona Rodrigues2, Youhanna Salib2, Olivia Varsaneux1, B. Lynn Johnston2, CNISP LTC Working Group2

1Public Health Agency of Canada, Ottawa, ON, Canada. 2LTC Working Group, Ottawa, ON, Canada

WP083
Seasonal trends in incidence and in-hospital mortality of hospitalization due to all-cause community acquired pneumonia (CAP) and pneumococcal CAP (pCAP) in Canada, 2009-2019

Ana Gabriela Grajales Beltrán1, Derek Lytle1, Jelena Vojicic2, Gokul Raj Pullagura1, Shane Golden3, Juejing Ling3, Seth Kadish3, Brad Millson4, Alejandro Cane5

1Pfizer Canada ULC., Kirkland, QC, Canada. 2Pfizer Canada ULC., Montreal, QC, Canada. 3IQVIA Solutions Canada Inc., Mississauga, ON, Canada. 4IQVIA Solutions Canada Inc., Kanata, ON, Canada. 5Pfizer Inc., Collegeville, PA, USA

WP084
Evaluating Copper-Coated Surfaces in a Tertiary Care Pediatric Hospital: Effects on Microbial Load and Healthcare-Associated Infections

Jocelyn A Srigley1,2,3, Quentin Michalchuk4, Celia Walker2,5, Susanna Piasecki2, June C Collet6,7, Jeffrey Bone3, Qian Zhang3, Titus Wong1,6, David M Goldfarb1,2,3

1Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada. 2Division of Medical Microbiology, BC Children’s Hospital and BC Women’s Hospitals, Vancouver, BC, Canada. 3BC Children’s Hospital Research Institute, Vancouver, BC, Canada. 4Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada. 5Department of Family Medicine, University of Alberta, Yellowknife, NWT, Canada. 6Infection Prevention and Control, Provincial Health Services Authority, Vancouver, BC, Canada. 7Evidinno Outcome Research Inc., Vancouver, BC, Canada

WP085
Estimation of the Incidence of Provincial Healthcare-Acquired COVID-19 Infection

Yosuf Kaliwal1, Katherine Sunderland1, Leslie Forrester1, Md Sabbir Hossain1, Tara Donovan1, Titus Wong1, Linda Hoang2

1Provincial Health Services Authority, Vancouver, BC, Canada. 2BC Centre for Disease Control, Vancouver, BC, Canada

WP086
Navigating the threat of carbapenemase-producing organisms: Time-series analysis of a public health surveillance initiative from 2014-2022

Aidan M Nikiforuk1, Shannon Russell1, Yosuf Kaliwal2, Katherine Sunderland2, Tracy D Lee1, Romali Ranasinghe3, Kevin Yang1, Benjamin Hon1, Tara Donovan2, Linda Hoang1

1British Columbia Centre for Disease Control, Vancouver, BC, Canada. 2Provincial Infection Control Network, Vancouver, BC, Canada. 3Public Health Agency of Canada, Ottawa, ON, Canada

WP087
Launching a provincial acute care respiratory illness surveillance system

Md Sabbir Hossain1, Katherine Sunderland1, Tara Donovan1, Yosuf Kaliwal1, Titus Wong1,2, Linda Hoang1,2

1Provincial Health Services Authority, BC, Canada. 2BC Centre for Disease Control, BC, Canada

WP088
Pneumocystis pneumonia outcomes in patients with immunocompromising conditions: a population-based study over 20 years (2002-2022) in one Canadian province

Carson KL Lo1,2, Daniel Fridman3, Jeffrey C Kwong3,4,5,6,7,8, Seyed M Hosseini-Moghaddam2,3

1Division of Infectious Diseases, Department of Medicine, McMaster University, Hamilton, ON, Canada. 2Transplant Infectious Diseases, Ajmera Transplant Center, Department of Medicine, University of Toronto, Toronto, ON, Canada. 3ICES, Toronto, ON, Canada. 4Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada. 5Public Health Ontario, Toronto, ON, Canada. 6Centre for Vaccine Preventable Diseases, University of Toronto, Toronto, ON, Canada. 7Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada. 8University Health Network, Toronto, ON, Canada

WP089
Role of high-efficiency particulate air purifier in improvement of air quality and effective removal of indoor air contaminants at long-term healthcare facilities

Clayton M Chester1, Ahlia Shaik1,2, Erin Tavares1, Titus Wong2,3,4, Jesse Cooper1,4

1Vancouver Coastal Health, People Safety, Vancouver, BC, Canada. 2University of British Columbia, Faculty of Medicine, Vancouver, BC, Canada. 3Provincial Health Services Authority, Infection Prevention and Control, Vancouver, BC, Canada. 4Vancouver Coastal Health, Personal Protection and Equipment Laboratory, Vancouver, BC, Canada

WP090
Whole genome sequencing of ten Enterobacter hormaechei revealed widespread transmission of blaKPC-3 through two modes of transmission

Florence Doualla-Bell1, Patrice Savard2,3, Nicole Lerminiaux4, Roxanne Desrosiers1, Bakary Camara2, Laura Mataseje4

1Laboratoire de santé publique du Québec, Ste-Anne de Bellevue, QC, Canada. 2Département de microbiologie, infectiologie et immunologie, Université de Montréal, Montreal, QC, Canada. 3Centre Hospitalier de l’Université de Montréal, Infection Prevention and Control, Montreal, QC, Canada. 4National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada

WP091
Shining a light on surgical site prevention: Nasal Photodisinfection to prevent SSI in Cardiac Surgery

Stephanie W Smith1,2, Maureen Buchanan-Chell1, Michelle Zwicker1, Karen Parayko1

1Alberta Health Services, Edmonton, Canada. 2University of Alberta, Edmonton, Canada

WP092
Characterizing the gap in vaccination status in older adults residing in complex continuing care in an urban hospital

Sharon Sukhdeo1, Jordan Pelc1, Alexander Drohobycky2, Linda Shi1, Sara Sadooghi1, Yannan Chen1, Angelo Panganiban1, Baieruss Trinos1, Patrick Wong1, Stephen Tepper1, Jennie Johnstone1

1Sinai Health, Toronto, ON, Canada. 2University of Toronto, Toronto, ON, Canada

WP093
Verification, analytical sensitivity, cost-effectiveness, and comparison of four Candida auris screening methods

Adam S Komorowski1,2, Patryk Aftanas3, Vanessa Porter3, Kevin Katz3,4,5,6, Robert A Kozak3,4,5, Xena X Li3,6

1Medical Microbiology, Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada. 2Dept. of Health Research Methodology, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada. 3Shared Hospital Laboratory, Toronto, ON, Canada. 4Dept. of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada. 5Sunnybrook Research Institute, Toronto, ON, Canada. 6Infection Prevention and Control, North York General Hospital, Toronto, ON, Canada

WP094
Impacts of COVID-19 on Invasive Fungal Infections in Canadian ICU Populations

Erin Joy Heifetz1, Sufyan Rather2, Muhammad Ali3, Jianping Xu4, Deborah Yamamura5

1McMaster University, Michael G. DeGroote School of Medicine, Hamilton, ON, Canada. 2School of Interdisciplinary Science, Faculty of Science, McMaster University, Hamilton, ON, Canada. 3Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada. 4Department of Biology and Institute of Infectious Diseases Research, McMaster University, Hamilton, ON, Canada. 5Hamilton Regional Laboratory Medicine Program, Hamilton Ontario and the Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada

WP095
Prevalence of laboratory confirmed Creutzfeldt-Jakob Disease from three Ontario Tertiary Care Centers between 2012-2022

Kayla Gaete1, Mia J Biondi2, Soma Dalai3, Ana Cabrera4, Xena Li5, Prameet M Sheth3, Robert A Kozak1,5

1Biological Sciences Platform, Sunnybrook Health Sciences Centre, Toronto, ON, Canada. 2School of Nursing, York University, Toronto, ON, Canada. 3Kingston Health Sciences Centre, Kingston, ON, Canada. 4London Health Sciences Centre, London, ON, Canada. 5Shared Hospital Laboratory, Toronto, ON, Canada

WP096
Ancient cesspit contents reveal evidence for human parasite infections in 15th–16th century Bruges, Belgium

Marissa L Ledger1,2, Maxime Poulain3, Koen Deforce4

1Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada. 2McMaster Ancient DNA Centre, McMaster University, Hamilton, ON, Canada. 3Department of Archaeology, Ghent University, Ghent, Belgium. 4Royal Belgian Institute of Natural Sciences, Brussels, Belgium