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Disease alerts - Haplosporidium nelsoni (MSX) in Quebec, June 27, 2025 - Haplosporidium nelsoni (MSX) in Quebec, June 27, 2025 - Haplosporidium nelsoni (MSX) in Quebec, June 27, 2025
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Regulatory Category- Federal:
Reportable
Regulatory Category- Province or Territory:
Not regulated
Animal Type:
Mollusc
Susceptible Animal Types:
Mollusc
Animal Class:
Aquatic
Disease Agent:
MSX disease (Haplosporidium nelson)
Disease Agent Type:
Parasite
Organization:
Canadian Food Inspection Agency
Region:
Quebec
Topics:
Emerging
Start Date
Jun/27/2025
End Date
Jun/27/2025
Website
CFIA webpage
Haplosporidium nelsoni (MSX) in Quebec, June 27, 2025
Canadian Food Inspection Agency
Share:
The Canadian Food Inspection Agency (CFIA) has confirmed the presence of
Haplosporidium nelsoni
(also known as multinucleate sphere unknown (MSX)) in American oysters (
Crassostrea virginica
) in one location in Quebec on June 27, 2025.