Gregory J. Tyrrell

Gregory J. Tyrrell

Edmonton, AB, Canada

Last Updated: 09/26/2026

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Found 110 publications

Laboratory diagnosis of pertussis: A survey on provincial public health laboratory methods.

Laboratory diagnosis of pertussis: A survey on provincial public health laboratory methods.

Journal: Canada communicable disease report = Releve des maladies transmissibles au Canada

Published: June 29, 2026

Invasive Pneumococcal Disease Epidemiology and Conjugate Vaccines in Canada, 2000-2019.

Invasive Pneumococcal Disease Epidemiology and Conjugate Vaccines in Canada, 2000-2019.

Journal: JAMA network open

Published: April 09, 2026

Invasive pneumococcal disease surveillance in Canada, 2023.

Invasive pneumococcal disease surveillance in Canada, 2023.

Journal: Canada communicable disease report = Releve des maladies transmissibles au Canada

Published: April 02, 2026

Acquisition of toxin-encoding lysogenic bacteriophage elements enhances the virulence of pandemic Streptococcus pyogenes M1UK.

Acquisition of toxin-encoding lysogenic bacteriophage elements enhances the virulence of pandemic Streptococcus pyogenes M1UK.

Journal: Infection and immunity

Published: February 09, 2026

Shifting from an expected to an opportunistic pathogen: Comparison of cases of infant late and very late onset group B streptococcal (GBS) infection in a Canadian city over a 27-year period.

Shifting from an expected to an opportunistic pathogen: Comparison of cases of infant late and very late onset group B streptococcal (GBS) infection in a Canadian city over a 27-year period.

Journal: PloS one

Published: November 07, 2025

Utilization of tetanus and diphtheria serology tests in Alberta, Canada: Patterns and implications.

Utilization of tetanus and diphtheria serology tests in Alberta, Canada: Patterns and implications.

Journal: PloS one

Published: July 09, 2025

Draft genome sequences of Mycobacterium caprae strains linked to human tuberculosis in Canada.

Draft genome sequences of Mycobacterium caprae strains linked to human tuberculosis in Canada.

Journal: Microbiology resource announcements

Published: May 20, 2025

Invasive Group A Streptococcal Infection in Children, 1992-2023.

Invasive Group A Streptococcal Infection in Children, 1992-2023.

Journal: JAMA network open

Published: April 01, 2025

Impact of the COVID-19 pandemic on tuberculosis program performance in Alberta, Canada: a population-based evaluation.

Impact of the COVID-19 pandemic on tuberculosis program performance in Alberta, Canada: a population-based evaluation.

Journal: CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne

Published: March 14, 2025

Geographical and temporal variations of serogroups and clonal types of Neisseria meningitidis involved in culture-confirmed invasive meningococcal disease in Canada, 2015-2023.

Geographical and temporal variations of serogroups and clonal types of Neisseria meningitidis involved in culture-confirmed invasive meningococcal disease in Canada, 2015-2023.

Journal: Journal of medical microbiology

Published: March 12, 2025

Group A streptococcal infections in Alberta, Canada 2018-2023.

Group A streptococcal infections in Alberta, Canada 2018-2023.

Journal: Epidemiology and infection

Published: December 23, 2024

Features Associated With the Presence of Specific Bacterial Strains in Pediatric Tracheostomy.

Features Associated With the Presence of Specific Bacterial Strains in Pediatric Tracheostomy.

Journal: Respiratory care

Published: October 22, 2024

Showing 1-12 of 110

Last Updated: 09/26/2026