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(Posted March 16, 2017)
Second Case of Highly Pathogenic Avian Influenza in a Commercial Flock in
The United States Department of Agriculture’s
(USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed a second
case of highly pathogenic H7N9 avian influenza in a commercial breeder flock in
Samples from the affected flock, which
displayed signs of illness and experienced increased mortality, were tested at
USDA is working with the Tennessee Department of Agriculture on the joint incident response. State officials quarantined the affected premises, and depopulation has begun. Federal and State partners will conduct surveillance and testing of commercial and backyard poultry within a 10 kilometer (6.2 mile) radius of the site.
USDA will be informing the World Organization for Animal Health (OIE) as well as international trading partners of this finding. USDA also continues to communicate with trading partners to encourage adherence to OIE standards and minimize trade impacts.
The Tennessee Department of Agriculture is working directly with poultry workers at the affected facilities to ensure that they are taking the proper precautions to prevent illness and contain disease spread. As a reminder, the proper handling and cooking of poultry and eggs to an internal temperature of 165 ˚F kills bacteria and viruses.
Wild waterfowl are natural hosts for avian influenza, including H5 and H7, and can shed the virus without appearing sick. These low pathogenic viruses can mutate to highly pathogenic forms after introduction to poultry. People should avoid contact with sick/dead poultry or wildlife. If contact occurs, wash your hands with soap and water and change clothing before having any contact with healthy domestic poultry and birds.
All bird owners, whether commercial producers or backyard enthusiasts, should continue to practice good biosecurity, prevent contact between their birds and wild birds, and report sick birds or unusual bird deaths to State/Federal officials, either through their state veterinarian or through USDA’s toll-free number at 1-866-536-7593. Additional information on biosecurity for commercial producers can be found at www.aphis.usda.gov/animalhealth/defendtheflock Information for backyard producers can be found at https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian-influenza-disease/birdbiosecurity
Jack A. Shere, DVM PhD
USDA, APHIS, Veterinary Services
Phone : 202-799-7146