HPSLast updated 2025-11-01
Hantavirus in Canada
Hantavirus pulmonary syndrome cases in Canada are concentrated in the western prairie provinces, where deer-mouse populations cycle annually. The Public Health Agency of Canada (PHAC) coordinates surveillance with provincial labs.
Cumulative Cases
110
Deaths
25
CFR
22.7%
Global Rank
#18
by case count
Circulating Strains
- ●Sin Nombre virus
Primary syndrome: Hantavirus Pulmonary Syndrome (HPS).
Reservoir Species
- • Deer mouse (Peromyscus maniculatus)
Most Affected Regions
- • Alberta
- • Saskatchewan
- • British Columbia
- • Manitoba
Country-specific Risk & Prevention
Grain storage buildings and farm outbuildings present the highest exposure risk during fall rodent migration indoors.
General prevention: see symptoms and prevention guidance →
Field Notes
Sin Nombre virus in western provinces.