Immediately Notifiable Diseases

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These diseases do not exist in Canada. If an immediately notifiable disease were to be detected, the CFIA would begin an investigation. Only laboratories are required to contact the CFIA regarding the suspicion or diagnosis of these diseases.

Facilities working with animal or zoonotic pathogens must comply with the Containment Standards for Facilities Handling Aquatic Animal Pathogens.


  • Crayfish plague (Aphanomyces astaci)
  • Infectious hypodermal and haematopoietic necrosis (Infectious Hypodermal and Haematopoietic Necrosis Virus)
  • Infectious myonecrosis (Infectious Myonecrosis Virus)
  • Necrotizing hepatopancreatitis
  • White tail disease (White Tail Virus)


  • Epizootic ulcerative syndrome (Aphanomyces invadans)
  • Gyrodactylosis (Gyrodactylus salaris)
  • Oncorhynchus masou virus disease (Oncorhynchus Masou Virus)
  • Red sea bream iridoviral disease (Red Sea Bream Iridovirus)


  • Abalone viral mortality (Abalone Herpes-like Virus)
  • Disease caused by Bonamia exitiosa
  • Disease caused by Bonamia roughleyi
  • Brown ring disease (Vibrio tapetis)
  • Disease caused by Marteilia sydneyi
  • Withering syndrome of abalone (Xenohaliotis californiensis)

Susceptible species

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