USDA Describes Migratory Bird H5 Surveillance Plans

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USDA describes H5 surveillance plans for wild birds.

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USDA Publishes Updated Interagency Strategic and Surveillance Plans for Avian Influenza in Migratory Birds

USDA Animal and Plant Health Inspection Service sent this bulletin at 07/02/2015 11:31 AM EDT

USDA PUBLISHES UPDATED INTERAGENCY STRATEGIC AND SURVEILLANCE PLANS FOR AVIAN INFLUENZA IN MIGRATORY BIRDS

Posted by Gail Keirn, APHIS Legislative and Public Affairs, 970-266-6007

July 2, 2015 - Today, the U.S. Department of Agriculture's (USDA) Animal and Plant Health Inspection Service (APHIS) released two updated interagency plans related to the surveillance of avian influenza in wild birds. As part of USDA's on-going preparation efforts for highly pathogenic avian influenza (HPAI), these updated plans will help USDA with further monitoring of wild birds for the HPAI virus during the fall migration. Between now and March 2016, HPAI surveillance in wild birds will increase as APHIS Wildlife Services biologists and their State partners collect approximately 41,000 samples from apparently healthy wild birds from targeted areas throughout the United States.

The first updated plan— U.S. Interagency Strategic Plan for Early Detection and Monitoring for Avian Influenzas of Significance in Wild Birds—describes a unified national system for migratory wild bird sampling involving Federal, State, university and non-governmental organizations. The second updated plan— 2015Surveillance Plan for Highly Pathogenic Avian Influenza in Waterfowl in the United States— outlines specific wild bird surveillance efforts for 2015-2016. These efforts were led by the Interagency Steering Committee for Surveillance for HPAI in Wild Birds. This committee is comprised of experts from USDA APHIS, the Department of the Interior’s U.S. Geological Survey and U.S. Fish and Wildlife Service, the U.S. Department of Health and Human Services’ Centers for Disease Control and Prevention (CDC) and the National Flyway Council. 

http://content.govdelivery.com/accounts/USDAAPHIS/bulletins/10ced03

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Last Modified: Jul 2, 2015

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Contact: Gail Keirn (970) 266-6007
Lyndsay Cole (970) 494-7410

July 2, 2015 – Today, the U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) released two updated interagency plans related to the surveillance of avian influenza in wild birds. As part of USDA’s on-going preparation efforts for highly pathogenic avian influenza (HPAI), these updated plans will help USDA with further monitoring of wild birds for the HPAI virus during the fall migration.  Between now and March 2016, HPAI surveillance in wild birds will increase as APHIS Wildlife Services biologists and their State partners collect approximately 41,000 samples from apparently healthy wild birds from targeted areas throughout the United States.

The first updated plan— U.S. Interagency Strategic Plan for Early Detection and Monitoring for Avian Influenzas of Significance in Wild Birds—describes a unified national system for migratory wild bird sampling involving Federal, State, university and non-governmental organizations. The second updated plan— 2015 Surveillance Plan for Highly Pathogenic Avian Influenza in Waterfowl in the United States— outlines specific wild bird surveillance efforts for 2015-2016. These efforts were led by the Interagency Steering Committee for Surveillance for HPAI in Wild Birds.  This committee is comprised of experts from  USDA APHIS, the Department of the Interior’s U.S. Geological Survey and U.S. Fish and Wildlife Service, the U.S. Department of Health and Human Services’ Centers for Disease Control and Prevention (CDC) and the National Flyway Council.

“The early detection of avian influenza remains key to controlling its spread and minimizing its effects,” said Dr. John Clifford, USDA chief veterinary officer.  “Many of the activities outlined in these plans are already being implemented and help warn us of any re-assortments or changes in low or highly pathogenic avian influenza viruses in wild birds which could be detrimental to our domestic flocks.”

Samples will be collected primarily from live-captured and hunter-harvested dabbling ducks, such as American black duck, American green-winged teal, mallard and Northern pintail. Additionally, environmental fecal samples from waterfowl and samples from morbidity and mortality events of all wild bird species also will be collected. Results from the surveillance effort will be incorporated into national risk assessments as well as preparedness and response planning efforts so that HPAI risks are reduced in commercial poultry, backyard poultry, game bird farms, wild birds, wild bird rehabilitation facilities, falconry birds, and captive bird collections in zoos/aviaries.

Avian influenza viruses can be classified as HPAI or low pathogenic (LPAI) strains based on the severity of the illness they cause. LPAI typically causes only minor illness, and sometimes manifests no clinical signs.  However, some LPAI virus strains are capable of mutating under field conditions into HPAI viruses. Wild birds can shed both LPAI and HPAI virus into the environment through their oral and nasal secretions and feces. Once in the environment, these viruses can infect backyard poultry through the environment or through direct contact with infected wild birds.  Through breeches in biosecurity, HPAI viruses also can move from the environment into poultry facilities. 

Since December 2014, the USDA has confirmed cases of HPAI H5 in the Pacific, Central and Mississippi flyways (or migratory bird paths). The disease has been found in wild birds, as well as in more than 200 backyard and commercial poultry flocks. While wild dabbling ducks appear to have no ill effects from the virus, HPAI H5 is lethal to raptors and its impacts to other wild birds are unknown. HPAI H5 can cause severe disease and death in domestic birds.  The CDC considers the risk to people from these HPAI H5 infections to be low. No human cases of these HPAI H5 viruses have been detected in the United States, Canada, or internationally.

The United States has the strongest AI surveillance program in the world so that the food supply and our people remain safe. Properly prepared and cooked poultry and eggs are safe to eat. As USDA and its Federal, State and industry partners continue to respond to this current outbreak, all continue to stress the importance of enhanced biosecurity measures for backyard and commercial poultry owners.

Additional information about USDA avian influenza surveillance and emergency response efforts can be found atwww.usda.gov/avianinfluenza.

 

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