Area of research
Epidemiology · Infectious Diseases
Research interest
Research interests include Influenza Virus Research Studies, Respiratory viral infections research, SARS-CoV-2 and COVID-19 Research, and Vaccine Coverage and Hesitancy.
Effectiveness of COVID-19 Vaccination and Prior Infections to Reduce Long COVID Risk During the Pre-Omicron and Omicron Periods.
Functional impact of long COVID among healthcare workers with comorbidities in Quebec, Canada: a cross-sectional study.
What is the current evidence base for measles vaccination earlier than 9 months of age?: Report from an informal technical consultation of the World Health Organization
Long COVID risk and severity after COVID-19 infections and reinfections in Quebec healthcare workers
Effectiveness of COVID-19 vaccination and prior infections to reduce long COVID risk during the pre-Omicron and Omicron periods
mRNA COVID-19 vaccine safety among children and adolescents: a Canadian National Vaccine Safety Network cohort study
Monovalent mRNA XBB.1.5 vaccine effectiveness against COVID-19 hospitalization in Quebec, Canada: impact of variant replacement and waning protection during 10-month follow-up
Omicron incidence and seroprevalence among children in Montreal, Canada, in early 2023: final results from the longitudinal EnCORE serology study.
Increasing our knowledge about the epidemiology of <i>Helicobacter pylori</i> in Nunavik's Inuit population (Québec, Canada) using <i>Qanuilirpitaa?</i> 2017 cross-sectional survey.
Persistence of infectivity in elderly individuals diagnosed with severe acute respiratory coronavirus virus 2 (SARS-CoV-2) infection 10 days after onset of symptoms: A cross-sectional study.
Pre-Omicron seroprevalence, seroconversion, and seroreversion of infection-induced SARS-CoV-2 antibodies among a cohort of children and teenagers in Montréal, Canada.
SARS-CoV-2 infection among healthcare workers: the role of occupational and household exposures during the first three pandemic waves in Quebec, Canada.
Influenza hospitalization burden by subtype, age, comorbidity and vaccination status: 2012/13 to 2018/19 seasons, Quebec, Canada
A boost with SARS-CoV-2 BNT162b2 mRNA vaccine elicits strong humoral responses independently of the interval between the first two doses
Characterization and evolution of infection control practices among severe acute respiratory coronavirus virus 2 (SARS-CoV-2)-infected healthcare workers in acute-care hospitals and long-term care facilities in Québec, Canada, Spring 2020.
Persisting chemosensory impairments in 366 healthcare workers following COVID-19: an 11-month follow-up.
Protection against Omicron re-infection conferred by prior heterologous SARS-CoV-2 infection, with and without mRNA vaccination
The REinfection in COVID-19 Estimation of Risk (RECOVER) study: Reinfection and serology dynamics in a cohort of Canadian healthcare workers
Prior infection- and/or vaccine-induced protection against Omicron BA.1, BA.2 and BA.4/BA.5-related hospitalisations in older adults: a test-negative case-control study in Quebec, Canada
Protection against Omicron BA.2 reinfection conferred by primary Omicron or pre-Omicron infection with and without mRNA vaccination
A single dose of the SARS-CoV-2 vaccine BNT162b2 elicits Fc-mediated antibody effector functions and T cell responses
Strong humoral immune responses against SARS-CoV-2 Spike after BNT162b2 mRNA vaccination with a 16-week interval between doses
Psychological distress of healthcare workers in Québec (Canada) during the second and the third pandemic waves
Effect of age at vaccination on the measles vaccine effectiveness and immunogenicity: systematic review and meta-analysis.
Assessment of naturally acquired neutralizing antibodies against rabies Lyssavirus in a subset of Nunavik's Inuit population considered most at risk of being exposed to rabid animals.
Serial Vaccination and the Antigenic Distance Hypothesis: Effects on Influenza Vaccine Effectiveness During A(H3N2) Epidemics in Canada, 2010–2011 to 2014–2015
A Perfect Storm: Impact of Genomic Variation and Serial Vaccination on Low Influenza Vaccine Effectiveness During the 2014–2015 Season
Low 2012–13 Influenza Vaccine Effectiveness Associated with Mutation in the Egg-Adapted H3N2 Vaccine Strain Not Antigenic Drift in Circulating Viruses
Use of surveillance data to estimate the effectiveness of the 7-valent conjugate pneumococcal vaccine in children less than 5 years of age over a 9 year period