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Animals > Animal Diseases > Avian Influenza

Avian Influenza

Avian influenza (AI) is a contagious viral infection caused by the influenza virus Type "A", which can affect several species of food producing birds (chickens, turkeys, quails, guinea fowl, etc.), as well as pet birds and wild birds.

AI viruses can be classified into two categories: low pathogenic (LPAI) and high pathogenic (HPAI) forms based on the severity of the illness caused in birds, with HPAI causing the greatest number of deaths in birds. Most AI viruses are low pathogenic and typically cause little or no clinical signs in infected birds. However, some low pathogenic viruses are capable of mutating into high pathogenic viruses. There are many influenza subtypes, two of which include H5 and H7. Historically, only the H5 and H7 subtypes are known to have become high pathogenic in avian species.

Latest Information - 2006-09-13
Public Inquiries - 1-800-442-2342

General Information
Avian Influenza - Frequently Asked Questions Avian Influenza: History Avian Influenza Response Overview Avian Influenza Viruses Avian Influenza and Poultry - Health Canada CFIA’s Role in Preventing the Introduction and Spread of Avian Influenza in Canada	Fact Sheet - Avian Influenza Global Pandemic Influenza Readiness -Health Canada Glossary Highly Pathogenic H5N1 Avian Influenza and Pets Human Health Implications - Public Health Agency of Canada Human Health Issues related to Avian Influenza in Canada Overview of Avian Influenza Prevention, Preparedness and Response
Disease Incidents and Issues
British Columbia (2005) British Columbia (2004) Pigeons shipped to Australia (2005)	Prince Edward Island (2006) Wild Bird Survey (2006) Wild Bird Survey (2005)
Imports
CFIA Enhances Import Measures Respecting Live Birds and Avian Influenza	New Import Measures for Live Birds to Prevent the Introduction of Avian Influenza in Domestic Birds
International Situation
OIE - Update on Avian Influenza in Animals (Type H5)	OIE - Alert Messages
Reference Material - Producers
Biosecurity Biosecurity Checklist Biosecurity Protection from Wild Birds	Bird Health Basics Protect Your Poultry: Avian Influenza Routes of Transmission
Reference Material - Technical
Biosafety Advisory for Veterinary Facilities - Interim Guidelines Pathogen Data Sheet for Veterinary Diagnostic Laboratories	Routes of Transmission Virus Subtypes

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Important Notices

Avian Influenza

General Information

Disease Incidents and Issues

Imports

International Situation

Reference Material - Producers

Reference Material - Technical