Background update:Mar 9, 2016

New case of highly pathogenic H5N2 AI in US

The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed the presence of highly pathogenic H5N2 avian influenza (HPAI) in a commercial layer flock in Jefferson County, Wisconsin.

The flock of 200,000 chickens is located within the Mississippi flyway where this strain of avian influenza has previously been identified. 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.

Increased mortality

Samples from the chicken flock, which experienced increased mortality, were tested at the Missouri Department of Agriculture Veterinary Diagnostic Laboratory and the APHIS National Veterinary Services Laboratories (NVSL) in Ames, Iowa confirmed the findings.

The Wisconsin Department of Health says its working directly with poultry workers at the affected facility to ensure that they are taking the proper precautions.

World Poultry

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