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New HPAI cases found in four states

New cases of highly pathogenic avian influenza (HPAI) have been confirmed in four states. HPAI is a highly contagious viral disease that can infect chickens, turkeys, and other birds. The disease can cause severe illness and/or sudden death in infected birds.


The virus was found in a Dallas County, Iowa, non-commercial backyard flock this week. Prior to this confirmation, the last case of HPAI in an Iowa backyard or commercial flock was May 2.

“It is not unexpected that we would face additional highly pathogenic avian influenza challenges in Iowa, given that the fall migration is underway and many other states have recently announced confirmed cases,” said Iowa Secretary of Agriculture Mike Naig. “We continue to work with impacted producers, USDA, and other industry stakeholders to refine and implement our response plans to limit the spread of this virus. Enhanced biosecurity remains the best line of defense to protect animal health.”

Commercial and backyard flock owners should prevent contact between their birds and wild birds. If producers suspect signs of HPAI in their flocks, they should contact their veterinarian immediately. Possible cases must also be reported to the Iowa Department of Agriculture and Land Stewardship at (515) 281-5305.


The Kansas Department of Agriculture (KDA) has identified a case of HPAI in a backyard flock in Shawnee County. This is the third confirmed case of HPAI in Kansas this fall. There were six cases in March and April for a total of nine counties across the state affected so far this year.

“The widespread nature of the positive premises in Kansas is proof that all counties are susceptible to HPAI, because the risk is from the wild birds traveling across the state,” said Dr. Justin Smith, Kansas Animal Health Commissioner. “If you have not yet taken steps to protect your backyard flocks, now is the time to take this threat seriously.”

This confirmed case is in a non-commercial, mixed species flock, and KDA is working closely with the USDA Animal and Plant Health Inspection Service on a joint incident response. KDA officials quarantined the affected premises, and birds on the property have been depopulated to prevent the spread of the disease.

KDA asks anyone who owns poultry in the following area on the north side of Topeka to contact the KDA phone bank at 833-765-2006 or email them at to work with state and local officials to prevent further spread of the disease. You can also self-report your birds online.

This outbreak has seen illness and mortality in a wider scope of bird species than past outbreaks, including wild and domestic waterfowl, says KDA. Attentively monitor your birds for symptoms of HPAI which include: coughing, sneezing, nasal discharge, and other signs of respiratory distress, lack of energy and appetite, decreased water consumption, incoordination, diarrhea, decreased egg production, and/or soft-shelled or misshapen eggs. Avian influenza can also cause sudden death in birds, even if they aren’t showing other symptoms.


The twelfth Nebraska HPAI case of 2022 was discovered in York County this week. The farm has a commercial flock of gamebirds.
According to Nebraska Department of Agriculture State Veterinarian Dr. Roger Dudley, the affected flock was humanely depopulated and will be disposed of in an approved manner. NDA will establish a 6.2-mile control zone, as is USDA policy, around the affected premises. Poultry producers should know the signs and symptoms of HPAI and notify NDA immediately of sick or dying birds.

Rhode Island

The presence of HPAI was confirmed in a non-commercial backyard flock (non-poultry) in Newport County, Rhode Island, this week.

Samples from the flock were tested at the University of Connecticut Veterinary Medical Diagnostic Laboratory, part of the National Animal Health Laboratory Network, and confirmed at the APHIS National Veterinary Services Laboratories in Ames, Iowa.

APHIS is working closely with state animal health officials in Rhode Island on a joint incident response. State officials quarantined the affected premises, and birds on the property will be depopulated to prevent the spread of the disease. Birds from the flock will not enter the food system.  

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