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March 26, 2026Open Access

Using blood donor surveillance and clinical case data to shape our understanding of Babesia epidemiology in Manitoba, Canada

SDSteven J. DrewsUniversity of Alberta CCCarmen CharltonUniversity of Alberta SRSandra Ramirez‐Arcos

Puntos clave

This research aims to explore the epidemiology of Babesia infection in Canadian blood donors amid changing environmental conditions.
Conducted blood donor surveillance in Manitoba's elevated-risk area for Babesia infection.
Utilized Babesia nucleic acid testing (NAT) on blood specimens.
Analyzed clinical case data related to Babesia infection prevalence.
Babesia NAT did not find any Babesia-positive blood donors in the studied area.
Findings suggest that despite rising tick populations, Babesia infection in blood donors remains low.

Resumen

Changing climate and Ixodes tick distributions have led to concerns that the epidemiology of Babesia infection in Canadian blood donors is increasing. Babesia NAT on specimens from an elevated-risk area for Babesia infection in Canada did not identify Babesia-positive blood donors.

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