Karen Colwill

Mount Sinai Hospital — Canada

Medicine · Health Sciences

36h-index8.6kcitations129works2.12yr avg
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Research Topics

SARS-CoV-2 and COVID-19 Research(71), COVID-19 Clinical Research Studies(55), SARS-CoV-2 detection and testing(27), Vaccine Coverage and Hesitancy(15), Advanced Proteomics Techniques and Applications(8)

Publications128 total

Rapid decline of SARS-CoV-2–specific salivary IgA antibody levels in people with hybrid immunity—data from the STOPCoV study
ImmunoHorizons·2025Open Access
Pre-pandemic cross-reactive T-cell responses are associated with subsequent protection against SARS-CoV-2 infection, but not against symptomatic illness 2345
The Journal of Immunology·2025Open Access
Altered germinal center outputs to SARS-CoV-2 mRNA vaccination in inflammatory bowel disease patients treated with anti-TNF biologics 2707
The Journal of Immunology·2025Open Access
Proximity-dependent proteomics and network analysis of adenylyl cyclase isoforms 5, 6, and 9 in cardiomyocytes
Journal of Biological Chemistry·2025· 1 citedOpen Access
Reduced vaccine-induced germinal center outputs in inflammatory bowel disease patients treated with anti-TNF biologics
Journal of Clinical Investigation·2025Open Access
Immunogenicity of COVID-19 booster vaccines in children receiving immunosuppressive medications
Pediatric Research·2025· 1 cited
Validation of new equipment for SARS-CoV-2 diagnosis in Ecuador: Detection of the virus and antibodies generated by disease and vaccines with one POC device
PLoS ONE·2025· 1 citedOpen Access
Patterns of SARS-CoV-2 seropositivity among essential workers in long term care and retirement homes in Ontario, Canada: A descriptive cross-sectional study
PLOS Global Public Health·2025Open Access
mRNA vaccine-induced SARS-CoV-2 spike-specific IFN-γ and IL-2 T-cell responses are predictive of serological neutralization and are transiently enhanced by pre-existing cross-reactive immunity
Journal of Virology·2025· 4 citedOpen Access
P-2051. Assessing SARS-CoV-2 Correlates Protection from Exposed Household Members: A Prospective Cohort Study (AB-PROTECT Study)
Open Forum Infectious Diseases·2025Open Access
Risk factors for infection with SARS-CoV-2 in a cohort of Canadian healthcare workers: 2020–2023
Epidemiology and Infection·2025· 2 citedOpen Access
Characterizing the SARS-CoV-2 antibody response and associations with patient factors: Serological profiling of participants enrolled in the GENCOV study
Clinical Biochemistry·2024· 3 citedOpen Access
High SARS-CoV-2 seroincidence but low excess COVID mortality in Sierra Leone in 2020–2022
PLOS Global Public Health·2024· 1 citedOpen Access
High-resolution quadrupole improves spectral purity and reduces interference from non-target ions in isobaric multiplexed quantitative proteomics
Analytica Chimica Acta·2024
Seroprevalence of SARS-CoV-2 antibodies among children receiving primary care in Toronto, Ontario
Canadian Journal of Public Health·2024· 2 citedOpen Access
Hybrid immunity from severe acute respiratory syndrome coronavirus 2 infection and vaccination in Canadian adults: A cohort study
eLife·2024· 5 citedOpen Access
Author response: Hybrid immunity from severe acute respiratory syndrome coronavirus 2 infection and vaccination in Canadian adults: A cohort study
2024Open Access
WED-464 Dried blood spot self-collection for hepatitis B, C, and COVID-19 antibodies
Journal of Hepatology·2024
mRNA Vaccine-Induced SARS-CoV-2 Spike-Specific IFN-γ and IL-2 T-cell Responses are Predictive of Serological Neutralization and are Transiently Enhanced by Pre-Existing Cross-Reactive Immunity
2024Open Access
Declining Levels of Neutralizing Antibodies to SARS-CoV-2 Omicron Variants Are Enhanced by Hybrid Immunity and Original/Omicron Bivalent Vaccination
Vaccines·2024· 6 citedOpen Access
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Frequent Co-authors

Anne‐Claude Gingras(24), Tony Pawson(20), Bhavisha Rathod(12), Allison McGeer(11), Adrian Pasculescu(11), Samira Mubareka(10), Kento T. Abe(9), Mario Ostrowski(9), Jeffrey L. Wrana(8), Jennifer L. Gommerman(8), Jenny H. Wang(7), Gary Chao(7), Patrick Budylowski(7), Aimee Paterson(7), Steven J. Drews(7), Miriam Barrios‐Rodiles(7), Zhijie Li(6), James M. Rini(6), Yves Durocher(6), Mahya Fazel‐Zarandi(6)