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PostPosted: Sat Dec 20, 2014 10:32 am 
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Oregon reports H5N8 virus in backyard poultry
An H5N8 influenza virus has been detected in a backyard poultry flock in southwestern Oregon, the Oregon Department of Agriculture (ODA) reported today, just 3 days after H5N8 and H5N2 viruses were found in wild birds in neighboring Washington.

The virus was found in guinea fowl and chickens from a backyard flock of about 100 birds in the Douglas County town of Winston, the ODA reported. The flock has access to the outdoors, and migratory birds frequent a pond and marsh on the property, the statement said.

The agency said the virus was found quickly because of increased awareness sparked by the avian flu detections in Washington. "This H5N8 virus is the same virus that was found in a Washington captive gyrfalcon," the statement said.

"The virus has not been found in commercial poultry anywhere in the US," the ODA said. "Surveillance for avian influenza is ongoing in commercial poultry operations, live bird markets, and in migratory wild bird populations."

"Steps are being taken to contain the disease and we have not diagnosed avian influenza elsewhere in Oregon's domestic poultry population, but the presence of the virus in migratory waterfowl poses a potential risk to our backyard poultry," said ODA State Veterinarian Brad LeaMaster, DVM, PhD. He didn't specify what the control steps are.

He urged poultry owners to prevent contact between their birds and wild birds, monitor their flocks, and report any sick birds.

In Washington, an H5N8 virus was found in a captive gyrfalcon that had been fed hunter-killed birds, federal and state agencies reported on Dec 16. In addition, an H5N2 virus was found in a wild pintail duck after a waterfowl die-off at Wiser Lake. Both detections were in Whatcom County, which is just across the border from the area of an ongoing H5N2 outbreak on poultry farms in British Columbia.

The US Department of Agriculture said the Washington H5N2 virus is similar to the one circulating in British Columbia. In addition, a bulletin from the US Geological Survey's (USGS's) National Wildlife Health Center this week said the H5N8 and H5N2 isolates both may be related to a highly pathogenic H5N8 virus "previously known to have circulated during 2014 among wild birds and poultry . . . in Asia and Western Europe."

Several H5N8 outbreaks have been reported since early November on poultry farms in Germany, the Netherlands, the United Kingdom, and Italy (see item below). Earlier in the year, South Korea was hit by widespread H5N8 outbreaks in poultry.

No H5N8 or H5N2 infections have ever been reported in humans, according to federal officials.
Dec 19 ODA statement
Dec 16 USGS bulletin
Related Dec 16 CIDRAP News story

http://www.cidrap.umn.edu/news-perspect ... ec-19-2014

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PostPosted: Sat Dec 20, 2014 12:54 pm 
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Bird flu outbreak spreads to Southern Oregon
Tracy Loew, Statesman Journal 11:48 a.m. PST December 19, 2014
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(Photo: DANIELLE PETERSON / Statesman Journal)
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Oregon has activated a multi-agency response plan after highly contagious avian influenza was found in domestic birds in Winston, in Douglas County.

There is no immediate public health concern, state officials said, and poultry and egg products remain safe to eat.

The H5N8 avian influenza virus was confirmed by the US Department of Agriculture in guinea fowl and chickens from a backyard poultry flock of about 100 birds.

The flock has access to the outdoors, where a pond and a marsh are frequented by migratory birds.

Since November, 11 commercial poultry farms in Western Canada have been affected by an outbreak of the H5N2 variant.

Last week, the H5N2 and H5N8 virus strains were identified in wild birds in Whatcom County, Washington, near the Canadian border, and H5N8 was found in captive falcons that had been fed some wild ducks.

The finding in Oregon was quickly reported and identified due to increased awareness following those events, according to the Oregon Department of Agriculture.

The virus has not been found in commercial poultry anywhere in the United States.

ODA is the lead state agency responding to the incident, working with the state Department of Fish and Wildlife, and Oregon Health Authority.

USDA’s Animal Plant Health Inspection Service will play a key role in the response as well.

Bird flu spreads quickly by direct bird-to-bird contact, but can also be carried by manure, tools, equipment, vehicles, egg flats, crates, clothing, shoes, and by migratory waterfowl.

ODA is advising commercial poultry growers and backyard flock owners to be vigilant with biosecurity measures and surveillance.

“Steps are being taken to contain the disease and we have not diagnosed avian influenza elsewhere in Oregon’s domestic poultry population, but the presence of the virus in migratory waterfowl poses a potential risk to our backyard poultry,” State Veterinarian Dr. Brad LeaMaster said.

“We strongly encourage owners to take biosecurity measures to reduce the risk of spreading the disease,” he said. “That includes preventing contact between their birds and wild birds. We also want them to monitor their flock closely and report sick birds.”

Backyard flock owners can report sick birds to the State Veterinarian’s office at 1-800-347-7028 or can call USDA toll free at 1-866-536-7593.

Wild bird deaths can be reported to the ODFW toll-free line at 1-866-968-2600.

tloew@statesmanjournal.com, (503) 399-6779 or follow at Twitter.com/SJWatchdog

http://www.statesmanjournal.com/story/t ... /20644807/

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PostPosted: Sun Dec 21, 2014 11:41 am 
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Tag Archives: H5N8 Virus

DECEMBER 20, 2014 · 10:06 AM
ODFW is on the lookout for avian influenza in wild birds in Oregon after the virus was detected in a small backyard poultry flock near Winston, Ore.
Image

ODFW is part of the State of Oregon’s multi-agency response to highly pathogenic H5 avian influenza, along with the Oregon Department of Agriculture, the Oregon Health Authority and the US Department of Agriculture’s Animal Plant Health Inspection Service (USDA-APHIS).



ODFW is asking the public to report dead wild birds, especially waterbirds (geese, ducks, shorebirds), to its Wildlife Health hotline at 866-968-2600.



The virus strain, known as H5N8, poses no immediate threat to human health. It has been circulating in Europe and East Asia and has not made people sick. However, the virus is contagious among birds and can be deadly to domestic birds and rarely, wild birds.



The H5N8 strain detected was found in a captive falcon earlier this week in Whatcom County, Washington state. Another avian influenza strain, H5N2, was also detected in a wild bird (northern pintail duck) in Washington state.



Wild birds have evolved with avian influenza and usually don’t die or exhibit signs of sickness from the virus. There have been no recent wild bird die-offs related to avian influenza in Oregon.



This time of year, migratory waterbirds (ducks, geese, shorebirds) undergo a major north-south migration along the Pacific Flyway, which extends from Alaska to South America. Wild birds coming in contact with susceptible domestic birds (chickens, turkeys, Guinea fowl) could spread the virus.



The Oregon Department of Agriculture (ODA) strongly encourages backyard poultry producers to prevent contact between their birds and wild birds. Any sick domestic birds should be reported to the State Veterinarian’s office at 1-800-347-7028 or USDA at 1-866-536-7593.

http://oregoncoastdailynews.wordpress.c ... 5n8-virus/

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PostPosted: Tue Dec 30, 2014 12:57 pm 
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Highly pathogenic avian influenza,
United States of America

Information received on 29/12/2014 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
Summary
Report type Follow-up report No. 2
Date of start of the event 10/12/2014
Date of pre-confirmation of the event 14/12/2014
Report date 29/12/2014
Date submitted to OIE 29/12/2014
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 2004
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (16/12/2014)
Follow-up report No. 1 (19/12/2014)
Follow-up report No. 2 (29/12/2014)
Outbreaks There are no new outbreaks in this report
Epidemiology
Source of the outbreak(s) or origin of infection
Contact with wild species
Epidemiological comments The USDA Animal and Plant Health Inspection Service (APHIS), in conjunction with State Departments of Agriculture and Wildlife, are continuing to conduct a comprehensive epidemiological investigation and enhanced surveillance in response to the HPAI H5N8 wild bird related event. Update on the Oregon backyard premises as of 24 December 2014: • Depopulation of the backyard birds on Sunday, 21 December 2014. • Cleaning and Disinfection (C&D) of the backyard premises 23 December 2014. The HPAI H5N8 virus has NOT been found in commercial poultry anywhere in the United States.
Control measures
Measures applied
Stamping out
Quarantine
Disinfection of infected premises/establishment(s)
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.

http://www.oie.int/wahis_2/public/wahid ... rtid=16858

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PostPosted: Wed Dec 31, 2014 10:21 am 
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Follow-up report No.2
Report reference: , Reference OIE : 16858, Report Date : 29/12/2014, Country : United States of America
Report Summary
Name of sender of the report Dr John Clifford Telephone (1-202) 799-7146
Position Deputy Administrator Fax (1-202) 799-7146
Address Room # 317-E
Jamie L. Whitten Federal Building
1400 Independence Ave, SW
Washington, DC 20250 Washington 20250
Email John.Clifford@aphis.usda.gov
Date submitted to OIE 29/12/2014
Animal type Terrestrial Date of report 29/12/2014
Disease Highly pathogenic avian influenza Date of start of the event 10/12/2014
Causal Agent Highly pathogenic avian influenza virus Date of pre-confirmation of the
event
14/12/2014
Serotype(s) H5N8 Date of last occurrence 2004
Reason Reoccurrence of a listed disease Diagnosis Laboratory (advanced)
Country or zone a zone or compartment Clinical signs Yes
Number of reported outbreaks submitted= 2, Draft= 0
Outbreak details
State Number of outbreaks County Unit Type Location Latitude Longitude Start Date End Date:
WASHINGTON-other
report - submitted
- Whatcom Not applicable Whatcom County 48.98 -122.47 10/12/2014
Species Measuring units Susceptible Cases Deaths Destroyed Slaughtered
Gyrfalcon:Falconidae(Fal
co rusticolus)
Animals ... ... ... ... ...
Affected Population Captive wild gyrfalcon
State Number of outbreaks County Unit Type Location Latitude Longitude Start Date End Date:
OREGON-other report -
submitted
- Douglas Backyard Douglas County 43.12 -123.41 16/12/2014
Species Measuring units Susceptible Cases Deaths Destroyed Slaughtered
Birds Animals 130 28 28 102 0
Affected Population The affected premises are a small backyard mixed flock of guinea fowl, chickens, ducks, and geese that are allowed access to the outdoors and regularly exposed to wild migratory waterfowl.
The affected backyard flock was placed under quarantine.
Outbreak summary: Total outbreaks = 2 (Submitted)
Species Susceptible Cases Deaths Destroyed Slaughtered
Gyrfalcon
Birds 130 28 28 102 0
Epidemiology
Epidemiological comments
The USDA Animal and Plant Health Inspection Service (APHIS), in conjunction with State Departments of Agriculture and Wildlife, are continuing to conduct a comprehensive epidemiological investigation and enhanced surveillance in response to the HPAI H5N8 wild bird related
event. Update on the Oregon backyard premises as of 24 December 2014:
• Depopulation of the backyard birds on Sunday, 21 December 2014.
• Cleaning and Disinfection (C&D) of the backyard premises 23 December 2014.
The HPAI H5N8 virus has NOT been found in commercial poultry anywhere in the United States.
Source of the outbreak(s) or origin of infection
• Contact with wild species
Measures applied
Applied To be applied
Printed on: Tue Dec 30 17:06:31 CET 2014 Page 1/3Applied To be applied
• stamping out
• quarantine
• disinfection of infected premises/establishment(s)
• no planned control measures
Animals treated Vaccination Prohibited
No Yes
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
http://www.oie.int/wahis_2/temp/reports ... 170631.pdf

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