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Allison McGeer

Sinai Health System

113H-index
1.1KPaper Count
5.4WCitation Count
Published Papers 396
Publication Date
Antibiotics for Delirium in Older Adults With No Clear Urinary Tract Infection: A Multicentre, Pragmatic, Randomized Trial—Vanguard Results
err2026-05-23
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errMichael Fralick; Nathan M. Stall; Katarina Zorcic; Christina Reppas-Rindlisbacher; Eric Kaplovitch; Amy S. Li; Derek R. MacFadden; Daniel Kobewka; Lucas Castellani; Patricia Parsons; Allison McGeer; Janine McCready; Bryant Lim; Emil Hodzic-Santor; Christopher Kandel; for the A-DONUT Study Team
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Transmission of carbapenemase-producing Enterobacter in Ontario, Canada: a retrospective genomic analysis
err2026-05-23
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PREAI
errIzydorczyk, Conrad; Lee, Robyn; Mataseje, Laura; Golding, George R.; Edge, Thomas A.; Boyd, Rachel; Braukmann, Tom; Carroll, Amanda; Katz, Kevin; Kozak, Robert; Jamal, Alainna J.; MacFadden, Derek R.; Mazzulli, Tony; Melano, Roberto; Mubareka, Samira; Patel, Samir; Poutanen, Susan M.; Richardson, David; Waglechner, Nicholas; McGeer, Allison
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Post-licensure safety of nirsevimab from the Canadian National Vaccine Safety (CANVAS) network
err2026-04-28
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errMarina Viñeta Paramo; Marilou Kiely; Louis Valiquette; Matthew P. Muller; Allison McGeer; Jennifer E. Isenor; Manish Sadarangani; James D. Kellner; Otto G. Vanderkooi; Kimberly Marty; Pascal M. Lavoie; Julie A. Bettinger
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Genomic and epidemiological identification of Pseudomonas aeruginosa transmission chains and in hospital ICUs
err2026-02-20
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PREAI
errGrana-Miraglia, Lucia; Hu, Xiaoyi; Volling, Cheryl; Mataseje, Laura; Mulvey, Michael R.; McGeer, Allison; Guttman, David S.
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Safety of co-administration of COVID-19 and seasonal influenza vaccines in individuals with autoimmune diseases from the Canadian National Vaccine Safety Network
err2025-12-31
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PREAI
errSoe, Phyumar; Muller, Matthew P.; Sadarangani, Manish; Kellner, James D.; Vanderkooi, Otto G.; Naus, Monika; Wong, Hubert; Isenor, Jennifer E.; Marty, Kimberly; De Serres, Gaston; Valiquette, Louis; Mcgeer, Allison; Bettinger, Julie A.
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SARS-CoV-2 infection following home, community and work-related exposures: a prospective cohort of teachers and education workers in Ontario, Canada, 2021-2023
err2025-10-21
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PREAI
errColeman, Brenda L.; Bondy, Susan; Fischer, Kailey; Gutmanis, Iris; Zhu, Veronica; Kanchan, Kanchan; Straus, Sharon E.; Kim, John; Simon, Sharon; McGeer, Allison
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Identification of plasmid-mediated tigecycline resistance tet(x4) and New Delhi metallo-β-lactamase (NDM) in an Escherichia coli isolate from Canada
err2025-10-01
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PREAI
errMataseje, Laura F.; Lerminiaux, Nicole; McGeer, Allison; Johnstone, Jennie; Poutanen, Susan; McGill, Erin; Longtin, Yves
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Preparedness for Candida auris in Canadian Nosocomial Infection Surveillance Program (CNISP) hospitals, 2024
err2025-10-01
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errTan, Charlie; Bharat, Amrita; McGill, Erin; Mitchell, Robyn; Varsaneux, Olivia; Cannon, Kristine; Charles, Marthe K.; Comeau, Jeannette L.; Davis, Ian; Delport, Johan; Dingle, Tanis C.; Dufresne, Philippe J.; Ellis, Chelsey; Ellison, Jennifer; Faheem, Amna; Frenette, Charles; Hoang, Linda; Hota, Susy; Katz, Kevin; Kibsey, Pamela; Kus, Julianne; Lee, Bonita; Li, Xena; Longtin, Yves; Malejczyk, Kathy; Masud, Shazia; Mertz, Dominik; Musto, Sonja; Naik, Kishori; Paramalingam, Senthuri; Poutanen, Susan M.; Purych, Dale; Smith, Stephanie W.; Srigley, Jocelyn A.; Titoria, Reena; Tomlinson, Jen; Wang, Xuetao; Wong, Titus; Yamamura, Deborah; McGeer, Allison
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Peri-Covid-19 Antibiotic Use and Antimicrobial Resistance in Older Adults
err2025-09-23
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PREAI
errMacFadden, Derek R.; Maxwell, Colleen; Bowdish, Dawn; Bronskill, Susan; Brooks, James; Brown, Kevin; Burrows, Lori L.; Clarke, Anna E.; Langford, Bradley J.; Leung, Elizabeth; Leung, Valerie; Manuel, Doug; McGeer, Allison; Mishra, Sharmistha; Morris, Andrew M.; Nott, Caroline; Raybardhan, Sumit; Sapin, Mia E.; Schwartz, Kevin L.; So, Miranda; Soucy, Jean-Paul R.; Daneman, Nick
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A process evaluation of Ontario, Canada’s 2023–24 older-adult RSV vaccination program
err2025-08-25
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errReed Morrison; Janice Sarmiento; Jamie Park; Gillian Lim; Christina Renda; Michael Whelan; Allison McGeer; Tara Harris; Sarah E. Wilson
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Evolving genomic landscape of pediatric pneumococcus in two Canadian urban centers following conjugate vaccination
err2025-08-20
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errSarah Teatero; Allison McGeer; Agron Plevneshi; Leah J. Ricketson; James D. Kellner; Nahuel Fittipaldi
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Group B Streptococcus disease during infancy and risk of subsequent neurodevelopmental impairments in young children: a population-based cohort study in Ontario, Canada
err2025-07-02
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PREAI
errRomina Fakhraei; Deshayne B. Fell; Darine El-Chaâr; Nisha Thampi; Beate Sander; Kevin Antoine Brown; Natasha Crowcroft; Shelly Bolotin; Jon Barrett; Elizabeth K. Darling; Nahuel Fittipaldi; Theresa Lamagni; Allison McGeer; Michelle Murti; Manish Sadarangani; Kevin L. Schwartz; Abdool Yasseen; Matthew Tunis; William Petrcich; Kumanan Wilson
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Risk factors for infection with SARS-CoV-2 in a cohort of Canadian healthcare workers: 2020-2023
err2025-06-23
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errColeman, Brenda L.; Robertson, Nicole M.; Harrison, Robyn A.; Valiquette, Louis; Langley, Joanne M.; Muller, Matthew P.; Cooper, Curtis L.; Nadarajah, Jeya; Powis, Jeff; Arnoldo, Saranya; Smieja, Marek; Vanderkooi, Otto G.; Qi, Freda; Colwill, Karen; Gingras, Anne Claude; McGeer, Allison
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Functional and Structural Characterization of Treatment-Emergent Nirmatrelvir Resistance Mutations at Low Frequencies in the Main Protease (Mpro) Reveals a Unique Evolutionary Route for SARS-CoV-2 to Gain Resistance
err2025-06-01
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errDeschenes, Natalie M.; Perez-Vargas, Jimena; Zhong, Zoe; Thomas, Merrilee; Kenward, Calem; Mosimann, Wesley A.; Worrall, Liam J.; Waglechner, Nicholas; Li, Angel XinLiu; Maguire, Finlay; Aftanas, Patryk; Smith, Jason R.; Lim, Jared; Young, Robert N.; Cherkasov, Artem; Farooqi, Lubna; Moinuddin, Adnan; Siddiqi, Lina; Malik, Imaan; Lefebvre, Maxime; Paetzel, Mark; Strynadka, Natalie C. J.; Jean, Francois; McGeer, Allison; Kozak, Robert A.
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High Genetic Diversity Among Bacillus cereus Isolates Contaminating Donated Milk at a Canadian Human Milk Bank
err2025-05-15
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errGene, Mathew; Guthrie, Jennifer L.; Li, Kevin; Teatero, Sarah; Paterson, Aimee; Li, Angel; Doyen, Alain; Yamamura, Deborah; Khan, Sarah; Srigley, Jocelyn A.; Stone, Debbie; O'Connor, Deborah L.; Poutanen, Susan; Unger, Sharon; Mcgeer, Allison; Fittipaldi, Nahuel
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Detection by Nasopharyngeal Swabs Alone Underestimates Respiratory Syncytial Virus-Related Hospitalization Incidence in Adults: The Multispecimen Study's Final Analysis
err2025-04-18
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errBegier, Elizabeth; Aliabadi, Negar; Ramirez, Julio A.; McGeer, Allison; Liu, Qing; Carrico, Ruth; Mubareka, Samira; Uppal, Sonal; Furmanek, Stephen; Zhong, Zoe; Hubler, Robin; Chandler, Thomas R.; Kassee, Caroline; Wilde, Ashley; Katz, Kevin; Peyrani, Paula; Junkins, Alan; Vermeiren, Christie; Kalina, Warren, V; Falsey, Ann R.; Walsh, Edward; Elsobky, Malak; Yacisin, Kari; Gonzalez, Elisa; Jodar, Luis; Gessner, Bradford D.
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Dairy cows develop protective immunity against reinfection with bovine H5N1 influenza virus
err2025-04-17
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errFacciuolo, Antonio; Aubrey, Lauren; Barron-Castillo, Ulises; Berube, Nathalie; Norleen, Carla; McCreary, Shannon; Huang, Yanyun; Pessoa, Natalia; Jacome, Leslie Macas; Mubareka, Samira; McGeer, Allison; Berhane, Yohannes; Gerdts, Volker; Van Kessel, Andrew; Warner, Bryce; Zhou, Yan
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Invasive Group A Streptococcal Infection in Children, 1992-2023
err2025-04-01
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errDabaja-Younis, Halima; Kandel, Christopher; Green, Karen; Johnstone, Jennie; Zhong, Zoe; Kassee, Caroline; Allen, Vanessa; Armstrong, Irene; Baqi, Mahin; Barker, Kevin; Bitnun, Ari; Borgia, Sergio; Campigotto, Aaron; Chakrabarti, Sumon; Gold, Wayne L.; Golden, Alyssa; Kitai, Ian; Kus, Julianne; Macdonald, Liane; Martin, Irene; Muller, Matthew; Nadarajah, Jeya; Ostrowska, Krystyna; Ricciuto, Daniel; Richardson, David; Saffie, Medina; Tadros, Manal; Tyrrell, Gregory; Varia, Monali; Almohri, Huda; Barati, Shiva; Crowl, Gloria; Farooqi, Lubna; Lefebvre, Maxime; Li, Angel Xinliu; Malik, Nadia; Pejkovska, Mare; Sultana, Asfia; Vikulova, Tamara; Hassan, Kazi; Plevneshi, Agron; McGeer, Allison
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