Faculty profile
Effie Gournis
Back to facultyLatest papers
Association Between Use of a Voluntary Isolation Center and Reduced Household SARS-CoV-2 Transmission: A Matched Cohort Study From Toronto, Canada.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2025
Estimating the Under-ascertainment of COVID-19 cases in Toronto, Ontario, March to May 2020.
Journal of public health research · 2023
Comparison of longitudinal trends in self-reported symptoms and COVID-19 case activity in Ontario, Canada
PLoS ONE · 2022
13 publications.
Association Between Use of a Voluntary Isolation Center and Reduced Household SARS-CoV-2 Transmission: A Matched Cohort Study From Toronto, Canada.
Brown KA, Ulloa AC, Buchan SA, Daneman N, Gournis E, Laxer R, Schwartz KL, Edwards J
Estimating the Under-ascertainment of COVID-19 cases in Toronto, Ontario, March to May 2020.
Desta BN, Ota S, Gournis E, Pires SM, Greer AL, Dodd W, Majowicz SE
Comparison of longitudinal trends in self-reported symptoms and COVID-19 case activity in Ontario, Canada
Maharaj AS, Parker J, Hopkins JP, Gournis E, Bogoch II, Rader B, Astley CM, Ivers NM, Hawkins JB, Lee L
Community structured model for vaccine strategies to control COVID19 spread: A mathematical study.
Aruffo E, Yuan P, Tan Y, Gatov E, Gournis E, Collier S, Ogden N, Bélair J, Zhu H
Increasing concentration of COVID-19 by socioeconomic determinants and geography in Toronto, Canada: an observational study.
Mishra S, Ma H, Moloney G, Yiu KCY, Darvin D, Landsman D, Kwong JC, Calzavara A, Straus S, Chan AK, Gournis E, Rilkoff H, Xia Y, Katz A, Williamson T, Malikov K, Kustra R, Maheu-Giroux M, Sander B, Baral SD, COVID-19 Heterogeneity Research Group
The effect of seasonal respiratory virus transmission on syndromic surveillance for COVID-19 in Ontario, Canada
Maharaj AS, Parker J, Hopkins JP, Gournis E, Bogoch II, Rader B, Astley CM, Ivers N, Hawkins JB, VanStone N
Web and phone-based COVID-19 syndromic surveillance in Canada: A cross-sectional study.
Lapointe-Shaw L, Rader B, Astley CM, Hawkins JB, Bhatia D, Schatten WJ, Lee TC, Liu JJ, Ivers NM, Stall NM, Gournis E, Tuite AR, Fisman DN, Bogoch II, Brownstein JS
Risk factors associated with group A Streptococcus acquisition in a large, urban homeless shelter outbreak.
Dohoo C, Stuart R, Finkelstein M, Bradley K, Gournis E
Retiring the Flip Phones: Exploring Social Media Use for Managing Public Health Incidents.
Khan Y, Tracey S, O'Sullivan T, Gournis E, Johnson I
Cost-effectiveness of measles control during elimination in Ontario, Canada, 2015.
Ramsay LC, Crowcroft NS, Thomas S, Aruffo E, Teslya A, Heffernan JM, Gournis E, Hiebert J, Jaeger V, Jiaravuthisan M, Sharron J, Severini A, Deeks SL, Gubbay J, Mazzulli T, Sander B
Frequent collaborators
- Noah Ivers and Noah Ivers: 140 shared papers
- Sharmistha Mishra and Mathieu Maheu-Giroux: 22 shared papers
- Sharmistha Mishra and Beate Sander: 19 shared papers
- Beate Sander and Lauren Lapointe-Shaw: 10 shared papers
- Alan Katz and Tyler Williamson: 8 shared papers
- Noah Ivers and Nick Daneman: 7 shared papers
- Nick Daneman and Beate Sander: 7 shared papers
- Nick Daneman and Noah Ivers: 7 shared papers
- Jonathan Gubbay and Tony Mazzulli: 7 shared papers
- Noah Ivers and Lauren Lapointe-Shaw: 6 shared papers
- Sharmistha Mishra and Rafal Kustra: 6 shared papers
- Lauren Lapointe-Shaw and Noah Ivers: 6 shared papers
- Alan Katz and Sharmistha Mishra: 5 shared papers
- Sharmistha Mishra and Tyler Williamson: 5 shared papers
- Tyler Williamson and Mathieu Maheu-Giroux: 5 shared papers
- Beate Sander and Rafal Kustra: 5 shared papers
- Alan Katz and Mathieu Maheu-Giroux: 4 shared papers
- Sharmistha Mishra and Rita Shahin: 4 shared papers
- Beate Sander and Tony Mazzulli: 4 shared papers
- Tracey O'Sullivan and Yasmin Khan: 4 shared papers
- Nick Daneman and Tony Mazzulli: 3 shared papers
- Tony Mazzulli and Elizabeth Rea: 3 shared papers
- Tony Mazzulli and Rafal Kustra: 3 shared papers
- Lauren Lapointe-Shaw and Effie Gournis: 3 shared papers
- Jessica Hopkins and Lauren Lapointe-Shaw: 2 shared papers
- Jessica Hopkins and Effie Gournis: 2 shared papers
- Nick Daneman and Jonathan Gubbay: 2 shared papers
- Nick Daneman and Effie Gournis: 2 shared papers
- Beate Sander and Effie Gournis: 2 shared papers
- Tony Mazzulli and Effie Gournis: 2 shared papers
- Rita Shahin and Effie Gournis: 2 shared papers
- Effie Gournis and Yasmin Khan: 2 shared papers
- Ian Johnson and Yasmin Khan: 2 shared papers
- Jessica Hopkins and Noah Ivers: 1 shared paper
- Jessica Hopkins and Jonathan Gubbay: 1 shared paper
- Jessica Hopkins and Ian Johnson: 1 shared paper
- Alan Katz and Effie Gournis: 1 shared paper
- Noah Ivers and Effie Gournis: 1 shared paper
- Sharmistha Mishra and Michael Finkelstein: 1 shared paper
- Sharmistha Mishra and Effie Gournis: 1 shared paper
- Prabhat Jha and Nick Daneman: 1 shared paper
- Prabhat Jha and Tony Mazzulli: 1 shared paper
- Prabhat Jha and Rita Shahin: 1 shared paper
- Prabhat Jha and Elizabeth Rea: 1 shared paper
- Prabhat Jha and Effie Gournis: 1 shared paper
- Nick Daneman and Elizabeth Rea: 1 shared paper
- Tyler Williamson and Effie Gournis: 1 shared paper
- Jonathan Gubbay and Effie Gournis: 1 shared paper
- Mathieu Maheu-Giroux and Effie Gournis: 1 shared paper
- Warren Dodd and Effie Gournis: 1 shared paper
- Tony Mazzulli and Ian Johnson: 1 shared paper
- Tracey O'Sullivan and Effie Gournis: 1 shared paper
- Tracey O'Sullivan and Ian Johnson: 1 shared paper
- Noah Ivers and Effie Gournis: 1 shared paper
- Rita Shahin and Michael Finkelstein: 1 shared paper
- Elizabeth Rea and Effie Gournis: 1 shared paper
- Michael Finkelstein and Effie Gournis: 1 shared paper
- Effie Gournis and Ian Johnson: 1 shared paper
- Effie Gournis and Rafal Kustra: 1 shared paper
- Clinical Public Health Division
- Epidemiology Division
- Pediatrics
- Community Health Sciences
- Medicine
- Health Research Methods, Evidence, and Impact
- Infectious Diseases/Internal Medicine
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Lauren Lapointe-Shaw
Medicine
3 shared papers, latest 2022
Yasmin Khan
Clinical Public Health Division
2 shared papers, latest 2019
Beate Sander
Pediatrics
2 shared papers, latest 2022
Nick Daneman
Infectious Diseases/Internal Medicine
2 shared papers, latest 2025
Rita Shahin
Clinical Public Health Division
2 shared papers, latest 2013
Tony Mazzulli
Department of Laboratory Medicine and Pathobiology
2 shared papers, latest 2019
Jessica Hopkins
Health Research Methods, Evidence, and Impact
2 shared papers, latest 2022
Ian Johnson
Epidemiology Division
1 shared papers, latest 2019
Rafal Kustra
Biostatistics Division
1 shared papers, latest 2022
Jonathan Gubbay
Institute of Biomaterials and Biomedical Engineering
1 shared papers, latest 2019
Mathieu Maheu-Giroux
Epidemiology and Biostatistics
1 shared papers, latest 2022
Warren Dodd
School of Public Health Sciences
1 shared papers, latest 2023
Tracey O'Sullivan
Interdisciplinary Health Sciences
1 shared papers, latest 2019
Noah Ivers
Faculty
1 shared papers, latest 2021
Elizabeth Rea
Clinical Public Health Division
1 shared papers, latest 2012
Michael Finkelstein
Clinical Public Health Division
1 shared papers, latest 2020
Alan Katz
Community Health Sciences
1 shared papers, latest 2022
Noah Ivers
Pediatrics
1 shared papers, latest 2021
Sharmistha Mishra
Epidemiology Division
1 shared papers, latest 2022
Prabhat Jha
Centre for Global Health Research
1 shared papers, latest 2012
Tyler Williamson
Community Health Sciences
1 shared papers, latest 2022
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Profile data last refreshed on July 30, 2025 from the university directory, publication records and CIHR, NSERC and SSHRC funding.