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Peer-Reviewed Publication
Infect Dis Now2026;56(3):105263.April 1, 2026Journal Article

Increasing rates of Chlamydia trachomatis infection in Alberta, Saskatchewan, and Manitoba compared to Canada overall, between 1991 and 2022.

Maria Arango-Uribe1, Rotem Keynan1, Zipporah Gitau1, Camilo Suarez-Ariza1, Angela Copete1, Mariana Herrera1, Camila Oda1, Ameeta E Singh2, Stuart Skinner3, Cara Spence3, Lauren J MacKenzie4, Ken Kasper5, Laurie Ireland6, Jared Bullard7, David Alexander8, Diana Marin9, Lucelly Lopez9, Margaret Haworth-Brockman10, Yoav Keynan11, Zulma Vanessa Rueda12
1Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada.
2Department of Medicine, University of Alberta, Edmonton, Canada.
3Department of Medicine, University of Saskatchewan, Saskatchewan, Canada; Wellness Wheel Clinic, Saskatchewan, Canada.
4Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Department of Internal Medicine, University of Manitoba, Winnipeg, Canada; Manitoba HIV Program, Winnipeg, Canada.
5Department of Internal Medicine, University of Manitoba, Winnipeg, Canada; Manitoba HIV Program, Winnipeg, Canada; Health Sciences Centre, Winnipeg, Canada.
6Manitoba HIV Program, Winnipeg, Canada; Nine Circles Community Health Centre, Winnipeg, Canada; Department of Family Medicine, University of Manitoba, Winnipeg, Canada.
7Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Cadham Provincial Laboratory, Shared Health, Winnipeg, Canada; Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Canada.
8Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Cadham Provincial Laboratory, Shared Health, Winnipeg, Canada.
9School of Medicine, Universidad Pontificia Bolivariana (UPB) Medellin, Colombia.
10Department of Community Health Sciences, University of Manitoba, Winnipeg, Canada; National Collaborating Centre for Infectious Diseases (NCCID), University of Manitoba, Winnipeg, Canada.
11Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Department of Internal Medicine, University of Manitoba, Winnipeg, Canada; Manitoba HIV Program, Winnipeg, Canada; School of Medicine, Universidad Pontificia Bolivariana (UPB) Medellin, Colombia; National Collaborating Centre for Infectious Diseases (NCCID), University of Manitoba, Winnipeg, Canada.
12Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; School of Medicine, Universidad Pontificia Bolivariana (UPB) Medellin, Colombia. Electronic address: Zulma.Rueda@umanitoba.ca.

Abstract

INTRODUCTION: Chlamydia trachomatis is the most commonly encountered sexually transmitted infection. Our objective was to describe the evolution of chlamydia incidence rates in Alberta, Saskatchewan, and Manitoba as compared to Canada overall, from 1991 to 2022. METHODS: We conducted an ecological study, collecting data on chlamydia infection from publicly available reports throughout Canada, lay…

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