Avian influenza (AI) is a contagious viral infection that can affect
several species of food producing birds as well as pet birds and wild
birds. AI viruses can be classified
into two categories: low pathogenicity (LPAI) and highly pathogenic
(HPAI) forms, based on the severity of the illness caused in birds.
Avian influenza viruses, such as the highly pathogenic H5N1 virus
present in Asia, may, on rare occasions, cause disease in humans.
Transmission to humans has occurred through close contact with infected
birds or heavily contaminated environments.
In Canada, highly pathogenic avian influenza and low pathogenicity H5
and H7 avian influenza viruses are considered to be Notifiable Avian
Influenza, which is a reportable disease under the Health of Animals Act. All cases must be reported to the Canadian Food Inspection Agency (CFIA).
More Info at CFIA
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