Karen Colwill

600 University Ave
Toronto, ON, Canada

Last Updated: 09/26/2026

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Found 65 publications

SARS-CoV-2 Infection and COVID-19 Vaccine Antibody Responses in Two Canadian Cohorts of Persons Living with HIV.

SARS-CoV-2 Infection and COVID-19 Vaccine Antibody Responses in Two Canadian Cohorts of Persons Living with HIV.

Journal: Antibodies (Basel, Switzerland)
Published: February 26, 2026

Preserved SARS-CoV-2 T-cell responses despite impaired humoral immunity in children with profound B-cell lymphopenia.

Preserved SARS-CoV-2 T-cell responses despite impaired humoral immunity in children with profound B-cell lymphopenia.

Journal: NPJ vaccines
Published: February 12, 2026

Serological Benefit of SARS-CoV-2 Vaccination Relative to Infection in Children With Acute Lymphoblastic Leukemia.

Serological Benefit of SARS-CoV-2 Vaccination Relative to Infection in Children With Acute Lymphoblastic Leukemia.

Journal: Pediatric blood & cancer
Published: February 10, 2026

Neutralising antibody responses to emerging SARS-CoV-2 omicron sub-variants are enhanced in persons with hybrid immunity.

Neutralising antibody responses to emerging SARS-CoV-2 omicron sub-variants are enhanced in persons with hybrid immunity.

Journal: Clinical & translational immunology
Published: November 11, 2025

Rapid decline of SARS-CoV-2-specific salivary IgA antibody levels in people with hybrid immunity-data from the STOPCoV study.

Rapid decline of SARS-CoV-2-specific salivary IgA antibody levels in people with hybrid immunity-data from the STOPCoV study.

Journal: ImmunoHorizons
Published: August 26, 2025

SARS-CoV-2 infection in female sex workers from Nairobi, Kenya early in the COVID-19 pandemic: Seroincidence and behavioural associations.

SARS-CoV-2 infection in female sex workers from Nairobi, Kenya early in the COVID-19 pandemic: Seroincidence and behavioural associations.

Journal: PloS one
Published: July 10, 2025

Risk factors for infection with SARS-CoV-2 in a cohort of Canadian healthcare workers: 2020-2023.

Risk factors for infection with SARS-CoV-2 in a cohort of Canadian healthcare workers: 2020-2023.

Journal: Epidemiology and infection
Published: June 23, 2025

Proximity-dependent proteomics and network analysis of adenylyl cyclase isoforms 5, 6, and 9 in cardiomyocytes.

Proximity-dependent proteomics and network analysis of adenylyl cyclase isoforms 5, 6, and 9 in cardiomyocytes.

Journal: The Journal of biological chemistry
Published: April 10, 2025

Reduced vaccine-induced germinal center outputs in patients with inflammatory bowel disease treated with anti-TNF biologics.

Reduced vaccine-induced germinal center outputs in patients with inflammatory bowel disease treated with anti-TNF biologics.

Journal: The Journal of clinical investigation
Published: March 19, 2025

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.

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: Journal of virology
Published: January 31, 2025

Immunogenicity of COVID-19 booster vaccines in children receiving immunosuppressive medications.

Immunogenicity of COVID-19 booster vaccines in children receiving immunosuppressive medications.

Journal: Pediatric research
Published: January 24, 2025

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.

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.

Journal: PloS one
Published: August 02, 2024
Showing 1-12 of 65

Last Updated: 09/26/2026