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USDA increases avian influenza surveillance


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This news and analysis are provided by the Ornithological Council, a consortium supported by ornithological societies. Join or renew your membership in your ornithological society if you value the services these societies provide to you, including OrnithologyExchange and the Ornithological Council.

The United States Department of Agriculture’s Animal and Plant Health Inspection Service is expanding its wild bird surveillance for avian influenza in the Atlantic and Pacific Flyways and adding surveillance of the Mississippi and Central Flyways. 

Recently, APHIS has confirmed highly pathogenic avian influenza (HPAI) in wild birds in several states in the Atlantic Flyway. Learn more about the surveillance effort in the USDA’s press release, below. 

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Press Release: USDA Increases Efforts to Protect U.S. Poultry and Expands Wild Bird Surveillance for Avian Influenza

Contact: APHISpress@usda.gov

WASHINGTON, February 11, 2022 – The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) is announcing the expansion of wild bird surveillance for avian influenza to include the Mississippi and Central Flyways. This expansion also enlarged the existing surveillance program in the Atlantic and Pacific Flyways, which is in place to conduct surveillance of birds that may interact with wild birds from Europe and Asia.

APHIS confirmed highly pathogenic avian influenza (HPAI) in wild birds in several states in the Atlantic Flyway in January as well as in a commercial turkey flock in Indiana on February 8, and this additional surveillance will increase our capability to track the disease throughout the United States.

Wild bird surveillance provides an early warning system for the introduction and distribution of avian influenza viruses of concern in the United States. This surveillance also ensures APHIS and the poultry industry are able to enhance biosecurity measures and rapidly respond to reduce the risk of disease spread.

The National Wildlife Disease Program is focused on collecting 16,500 samples in 25 states. Adding surveillance in the Mississippi and Central Flyways will involve collecting an additional 14,500 wild bird samples for a total of more than 31,000 wild bird samples in 49 states.

Conducting surveillance sampling in all four Flyways will assist efforts to better understand the presence of variants of concern and help us monitor movement of avian influenza strains along migratory pathways.

Increased surveillance of the Flyways will include the following:

- Sample collection in targeted watersheds in the Central and Mississippi Flyways;

- Opportunistic sampling of wild bird species obtained through agency removal programs, such as at airports or for crop damage management, airport removal and other agency captures;

- Coordination with State Department of Wildlife/Natural Resources during bird banding operations; and

- Continued vigilance and investigation of wild bird morbidity and mortality events.

Anyone involved with poultry should review their biosecurity plan and enhance their biosecurity practices to ensure the health of their birds. APHIS has materials about biosecurity, including videos, checklists, and a toolkit available on our website.

In addition to practicing good biosecurity, all bird owners should 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 backyard flocks can be found at http://healthybirds.aphis.

APHIS will post all future wild bird HPAI findings on its website. Stakeholders should check the website on a routine basis, as no future stakeholder announcements are planned for wild bird findings.

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