Raymond S. Tsang

An Update on the Status of Direct Testing for Treponema Pallidum Subspecies Pallidum for the Laboratory Diagnosis of Syphilis in Canada.

Journal: Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada

Published: July 11, 2025

Prevalence of Haemophilus influenzae in the nasopharynx of children from regions with varying incidence of invasive H. influenzae serotype a disease: Canadian Immunization Research Network (CIRN) study.

Journal: International journal of circumpolar health

Published: June 28, 2024

Syphilis Point-of-Care Tests (POCTs): Implementation Considerations in Canada.

Journal: Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada

Published: March 25, 2024

Laboratory Evaluation of the Chembio DPP Syphilis Screen & Confirm Point-of-Care Test on Serum and Simulated Blood Samples.

Journal: Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada

Published: November 21, 2023

Carriage of Haemophilus influenzae serotype A in children: Canadian Immunization Research Network (CIRN) study.

Journal: Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada

Published: July 06, 2023

Epidemiology of invasive meningococcal disease in Canada, 2012-2019.

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

Published: May 05, 2022

Characteristics of polymerase chain reaction-positive syphilis cases in Manitoba, Canada, 2017 to 2020: Demographic analysis, specimen types, and Treponema pallidum gene targets.

Journal: Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada

Published: April 27, 2022

Laboratory evaluation of two point-of-care test kits for the identification of infectious syphilis.

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

Published: March 28, 2022

Invasive bacterial diseases in northern Canada, 1999 to 2018.

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

Published: December 09, 2021

Canadian Public Health Laboratory Network guidelines for the use of point-of-care tests for Treponema pallidum in Canada.

Journal: Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada

Published: August 12, 2021

An Update on the Status of Direct Testing for Treponema Pallidum Subspecies Pallidum for the Laboratory Diagnosis of Syphilis in Canada.

An Update on the Status of Direct Testing for Treponema Pallidum Subspecies Pallidum for the Laboratory Diagnosis of Syphilis in Canada.

Prevalence of Haemophilus influenzae in the nasopharynx of children from regions with varying incidence of invasive H. influenzae serotype a disease: Canadian Immunization Research Network (CIRN) study.

Prevalence of Haemophilus influenzae in the nasopharynx of children from regions with varying incidence of invasive H. influenzae serotype a disease: Canadian Immunization Research Network (CIRN) study.

Syphilis Point-of-Care Tests (POCTs): Implementation Considerations in Canada.

Syphilis Point-of-Care Tests (POCTs): Implementation Considerations in Canada.

Laboratory Evaluation of the Chembio DPP Syphilis Screen & Confirm Point-of-Care Test on Serum and Simulated Blood Samples.

Laboratory Evaluation of the Chembio DPP Syphilis Screen & Confirm Point-of-Care Test on Serum and Simulated Blood Samples.

Carriage of Haemophilus influenzae serotype A in children: Canadian Immunization Research Network (CIRN) study.

Carriage of Haemophilus influenzae serotype A in children: Canadian Immunization Research Network (CIRN) study.

Epidemiology of invasive meningococcal disease in Canada, 2012-2019.

Epidemiology of invasive meningococcal disease in Canada, 2012-2019.

Characteristics of polymerase chain reaction-positive syphilis cases in Manitoba, Canada, 2017 to 2020: Demographic analysis, specimen types, and Treponema pallidum gene targets.

Characteristics of polymerase chain reaction-positive syphilis cases in Manitoba, Canada, 2017 to 2020: Demographic analysis, specimen types, and Treponema pallidum gene targets.

Laboratory evaluation of two point-of-care test kits for the identification of infectious syphilis.

Laboratory evaluation of two point-of-care test kits for the identification of infectious syphilis.

Invasive bacterial diseases in northern Canada, 1999 to 2018.

Invasive bacterial diseases in northern Canada, 1999 to 2018.

Canadian Public Health Laboratory Network guidelines for the use of point-of-care tests for Treponema pallidum in Canada.

Canadian Public Health Laboratory Network guidelines for the use of point-of-care tests for Treponema pallidum in Canada.

Increase in ST-11 serogroup W Neisseria meningitidis invasive meningococcal disease in Canada, 2016-2018.

Increase in ST-11 serogroup W Neisseria meningitidis invasive meningococcal disease in Canada, 2016-2018.

Emergence of a clone of invasive fucK-negative serotype e Haemophilus influenzae in British Columbia.

Emergence of a clone of invasive fucK-negative serotype e Haemophilus influenzae in British Columbia.