Publications by authors named "Romy Olsha"

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Measles vaccine virus mutation following vaccination in a healthy child resulting in a false negative vaccine specific PCR test: Ontario, Canada, 2025.
Sarah E Wilson, Vanessa Zubach, Brendan Lew, Maan Hasso, Romy Olsha

Euro Surveill· October 2025

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Interim estimates of vaccine effectiveness against influenza A(H1N1)pdm09 and A(H3N2) during a delayed influenza season, Canada, 2024/25.
Lea Separovic, Yuping Zhan, Samantha E Kaweski, Suzana Sabaiduc, Sara Carazo, Romy Olsha

Euro Surveill· January 2025

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2023/24 mid-season influenza and Omicron XBB.1.5 vaccine effectiveness estimates from the Canadian Sentinel Practitioner Surveillance Network (SPSN).
Danuta M Skowronski, Yuping Zhan, Samantha E Kaweski, Suzana Sabaiduc, Ayisha Khalid, Romy Olsha

Euro Surveill· February 2024

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Vaccine effectiveness estimates from an early-season influenza A(H3N2) epidemic, including unique genetic diversity with reassortment, Canada, 2022/23.
Danuta M Skowronski, Erica Sy Chuang, Suzana Sabaiduc, Samantha E Kaweski, Shinhye Kim, Romy Olsha

Euro Surveill· February 2023

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Monkeypox Virus Detection in Different Clinical Specimen Types.
Maan Hasso, Stephen Perusini, Alireza Eshaghi, Elaine Tang, Romy Olsha

Emerg Infect Dis· December 2022

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Impact of coronavirus disease 2019 (COVID-19) pre-test probability on positive predictive value of high cycle threshold severe acute respiratory coronavirus virus 2 (SARS-CoV-2) real-time reverse transcription polymerase chain reaction (RT-PCR) test results.
Jonathan B Gubbay, Heather Rilkoff, Heather L Kristjanson, Jessica D Forbes, Michelle Murti, Romy Olsha

Infect Control Hosp Epidemiol· September 2022

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Influenza vaccine effectiveness against A(H3N2) during the delayed 2021/22 epidemic in Canada.
Shinhye Kim, Erica Sy Chuang, Suzana Sabaiduc, Romy Olsha, Samantha E Kaweski

Euro Surveill· September 2022

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Influenza Vaccine Effectiveness by A(H3N2) Phylogenetic Subcluster and Prior Vaccination History: 2016-2017 and 2017-2018 Epidemics in Canada.
Danuta M Skowronski, Siobhan Leir, Suzana Sabaiduc, Catharine Chambers, Macy Zou, Romy Olsha

J Infect Dis· April 2022

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Real-Time RT-PCR Allelic Discrimination Assay for Detection of N501Y Mutation in the Spike Protein of SARS-CoV-2 Associated with B.1.1.7 Variant of Concern.
Mariana Abdulnoor, AliReza Eshaghi, Stephen J Perusini, George Broukhanski, Antoine Corbeil, Romy Olsha

Microbiol Spectr· February 2022

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A public health response to a newly diagnosed case of hepatitis C associated with lapse in Infection Prevention and Control practices in a dental setting in Ontario, Canada.
Cassandra Johnston, Vidya Sunil, Dorothea Ser, Anne Marie Holt, Gary Garber, Romy Olsha

Can Commun Dis Rep· July 2021

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Influenza Vaccine Does Not Increase the Risk of Coronavirus or Other Noninfluenza Respiratory Viruses: Retrospective Analysis From Canada, 2010-2011 to 2016-2017.
Danuta M Skowronski, Macy Zou, Quinten Clarke, Catharine Chambers, James A Dickinson, Romy Olsha

Clin Infect Dis· November 2020

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Interim estimates of 2019/20 vaccine effectiveness during early-season co-circulation of influenza A and B viruses, Canada, February 2020.
Danuta M Skowronski, Macy Zou, Suzana Sabaiduc, Michelle Murti, Romy Olsha

Euro Surveill· February 2020

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Presence of Flavivirus Antibodies Does Not Lead to a Greater Number of Symptoms in a Small Cohort of Canadian Travelers Infected with Zika Virus.
Robert A Kozak, Lee W Goneau, Cedric DeLima, Olivia Varsaneux, AliReza Eshaghi, Romy Olsha

Viruses· January 2020

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Paradoxical clade- and age-specific vaccine effectiveness during the 2018/19 influenza A(H3N2) epidemic in Canada: potential imprint-regulated effect of vaccine (I-REV).
Danuta M Skowronski, Suzana Sabaiduc, Siobhan Leir, Caren Rose, Macy Zou, Romy Olsha

Euro Surveill· November 2019

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Children under 10 years of age were more affected by the 2018/19 influenza A(H1N1)pdm09 epidemic in Canada: ‎possible cohort effect following the 2009 influenza pandemic.
Danuta M Skowronski, Siobhan Leir, Gaston De Serres, Michelle Murti, James A Dickinson, Romy Olsha

Euro Surveill· April 2019

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Interim estimates of 2018/19 vaccine effectiveness against influenza A(H1N1)pdm09, Canada, January 2019.
Danuta M Skowronski, Siobhan Leir, Suzana Sabaiduc, Michelle Murti, James A Dickinson, Romy Olsha

Euro Surveill· January 2019

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Use of Genome Sequencing to Define Institutional Influenza Outbreaks, Toronto, Ontario, Canada, 2014-15.
Derek R MacFadden, Allison McGeer, Taryn Athey, Stephen Perusini, Romy Olsha

Emerg Infect Dis· March 2018

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Evaluation of Euroimmun Anti-Zika Virus IgM and IgG Enzyme-Linked Immunosorbent Assays for Zika Virus Serologic Testing.
Arnaud G L'Huillier, Anne Hamid-Allie, Erik Kristjanson, Louis Papageorgiou, Sam Hung, Romy Olsha

J Clin Microbiol· August 2017

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Evaluation of Altona Diagnostics RealStar Zika Virus Reverse Transcription-PCR Test Kit for Zika Virus PCR Testing.
Arnaud G L'Huillier, Ernesto Lombos, Elaine Tang, Stephen Perusini, Alireza Eshaghi, Romy Olsha

J Clin Microbiol· May 2017

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Epidemiology of Enterovirus D68 in Ontario.
Adriana Peci, Anne-Luise Winter, Bryna Warshawsky, Tim F Booth, AliReza Eshaghi, Romy Olsha

PLoS One· June 2016

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Antibiotic susceptibility of clinical isolates of Campylobacter jejuni and Campylobacter coli in Ontario, Canada during 2011-2013.
Andrew Riley, Alireza Eshaghi, Romy Olsha, Vanessa G Allen, Samir N Patel

Diagn Microbiol Infect Dis· November 2015

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Acute Respiratory Infections in Travelers Returning from MERS-CoV-Affected Areas.
Matthew German, Romy Olsha, Erik Kristjanson, Alex Marchand-Austin, Adriana Peci

Emerg Infect Dis· September 2015

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Coxsackieviruses in ontario, january 2005 to december 2011.
Adriana Peci, Anne-Luise Winter, Alireza Eshaghi, Alex Marchand-Austin, Romy Olsha

Int J Infect Dis· August 2014

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Macrolide-resistant Mycoplasma pneumoniae in humans, Ontario, Canada, 2010-2011.
AliReza Eshaghi, Nader Memari, Patrick Tang, Romy Olsha, David J Farrell

Emerg Infect Dis· March 2014

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Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among elderly adults during the 2010-2011 season.
Jeffrey C Kwong, Michael A Campitelli, Jonathan B Gubbay, Adriana Peci, Anne-Luise Winter, Romy Olsha

Clin Infect Dis· September 2013

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