H5N8 avian influenza reported in Indiana mixed-poultry flock | Outbreak News Today Outbreak News Today
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The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed the presence of highly pathogenic H5N8 avian influenza (HPAI) in a backyard mixed-poultry flock in Whitley County, Indiana.

Indiana counties/Cool10191

Indiana counties/Cool10191

While there have been multiple detections of HPAI H5N2 in the Mississippi flyway, this is the first finding of HPAI H5N8 in the Mississippi flyway, which previously had only been confirmed in the Pacific flyway.  CDC considers the risk to people from these HPAI H5 infections in wild birds, backyard flocks and commercial poultry, to be low.

No human infections with the virus have been detected at this time.

Samples from the flock, which experienced increased mortality, were tested at the Indiana Animal Disease Diagnostic Laboratory and the APHIS National Veterinary Services Laboratories in Ames, Iowa confirmed the findings. APHIS is working closely with the Indiana State Board of Animal Health to respond to the finding. State officials quarantined the affected premises and birds on the property will be depopulated to prevent the spread of the disease.

The HPAI H5N8 virus originated in Asia and spread rapidly along wild bird migratory pathways during 2014, including the Pacific flyway. The HPAI H5N8 virus has mixed with North American avian influenza viruses, creating new mixed-origin viruses.

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