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PostPosted: Wed Apr 22, 2015 6:40 pm 
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Minnesota has added 7 more turkey farms from Kandiyohi County *5 H5N2 confirmed and 2 H5 confirmed).

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PostPosted: Wed Apr 22, 2015 6:45 pm 
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Kandiyohi County, Minnesota (April 22, 2015)
75,000 turkeys
9th detection in this county

Kandiyohi County, Minnesota (April 22, 2015)
19,100 turkeys
12th detection in this county*

Kandiyohi County, Minnesota (April 22, 2015)
34,500 turkeys
13th detection in this county

Kandiyohi County, Minnesota (April 21, 2015)
61,000 turkeys
14th detection in this county

Kandiyohi County, Minnesota (April 21, 2015)
Turkeys (number pending)
15th detection in this county

*Gaps in numbers reflect delays in confirmatory testing of some samples.

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PostPosted: Wed Apr 22, 2015 6:49 pm 
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Affected Counties
April 22, 2015
County

Total # of Birds on Premises (prior to death/euthanasia)

Pope 1 44,000
Lac Qui Parle 1 66,000
Stearns 1 39,000
Nobles 21,000
Stearns 2 71,000
Stearns 3 76,000
Kandiyohi 1 26,000
Kandiyohi 2 30,000
Meeker 1 310,000
Cottonwood 1 48,000
Lyon 1 66,000
Watonwan 1 30,000
Stearns 4 45,000
Kandiyohi 3 38,000
Stearns 5 76,000
Le Sueur 1 21,500
Swift 1 160,000
Swift 2 154,000
Redwood 1 56,000
Meeker 2 25,000
Meeker 3 20,000
Kandiyohi 4 30,000
Otter Tail 1 21,000
Roseau 1 26,000
Kandiyohi 5 152,000
Stearns 6 67,000
Kandiyohi 6 23,000
Kandiyohi 7* 9,000
Wadena 1 301,000
Cottonwood 2 30,000
Kandiyohi 8 61,000
Otter Tail 2 34,500
Redwood 2 35,500
Kandiyohi 9 75,000
Kandiyohi 12 19,100
Kandiyohi 13 34,500
Kandiyohi 14 61,000
Kandiyohi 15 pending
Stearns 7 28,600
Stearns 8 72,500
Stearns 9 pending
Meeker 4 58,900
Meeker 5 pending
Meeker 6 10,700
*Kandiyohi 7 was euthanized as a precaution because of its exposure to the Kandiyohi 6 flock.



Total number of birds affected in Minnesota: 2,572,800
Total number of farms affected: 44
Total number of counties: 15


Animal Health officials are currently investigating possible additional cases of HPAI in Minnesota flocks. Gaps in numbers reflect delays in confirmatory testing of some samples. As flocks are confirmed by NVSL, they will be announced accordingly.

https://www.bah.state.mn.us/avian-influ ... d-counties

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PostPosted: Wed Apr 22, 2015 6:55 pm 
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Map update

https://www.google.com/maps/d/edit?mid= ... NlIM&hl=en

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PostPosted: Wed Apr 22, 2015 6:59 pm 
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Bird Flu Hits 13 more Minnesota Farms with over 430K Turkeys



Updated: 04/22/2015 5:35 PM
Created: 04/22/2015 5:15 PM KSTP.com
The number of Minnesota farms hit by bird flu outbreaks has taken a big jump - 13 new farms with over 430,000 turkeys.

The U.S. Department of Agriculture said in an update Wednesday evening that the farms with newly confirmed H5N2 infections are all in counties where other farms had been affected earlier. They include the 15th detection in Kandiyohi County and the 9th detection in Stearns County, the two top turkey-producing counties in Minnesota, which is the country's top turkey producing state.

The outbreaks have now cost 44 Minnesota farms nearly 2.6 million turkeys. Those not killed by the disease outright have been euthanized to prevent its spread, or will be culled soon. Across the Midwest, the toll is now over 7.1 million turkeys and egg-laying chickens.

http://kstp.com/news/stories/S3774577.shtml?cat=1

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PostPosted: Wed Apr 22, 2015 7:04 pm 
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Latest confirmed site(s):
Kandiyohi County, Minn., confirmed April 21 (Independent/contract grower)
Stearns County, Minn., confirmed April 21 (one Jennie-O Turkey Store facility; one independent/contract grower)
Otter Tail County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Meeker County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn,, confirmed April 20 (two Independent/contract growers)

http://foodsafety.jennieo.com/

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PostPosted: Wed Apr 22, 2015 7:13 pm 
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Chippewa County, Wis., confirmed April 22 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 21 (Independent/contract grower)
Stearns County, Minn., confirmed April 21 (one Jennie-O Turkey Store facility; one independent/contract grower)
Otter Tail County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Meeker County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn,, confirmed April 20 (two Independent/contract growers)
Wadena County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 20 (Independent/contract grower)
Stearns County, Minn., confirmed April 16 (Jennie-O Turkey Store facility)
Otter Tail County, Minn., confirmed April 16 (Independent/contract breeder farm operation)
Kandiyohi County, Minn., confirmed April 16 (Independent/contract grower)
Barron County, Wis., confirmed April 16 (Jennie-O Turkey Store facility)
Meeker County, Minn., confirmed April 14 (One Jennie-O Turkey Store facility and one Jennie-O Turkey Store facility, managed by an independent grower)
Redwood County, Minn., confirmed April 14 (Independent/contract grower)
Stearns County, Minn., confirmed April 14 (Independent/contract grower)
Swift County, Minn., confirmed April 14 (Two Jennie-O Turkey Store facilities, managed by an independent grower)
LeSueur County, Minn., confirmed April 14 (Independent/contract grower)
Watonwan County, Minn., confirmed April 10 (Jennie-O Turkey Store facility)
Cottonwood County, Minn., confirmed April 10 (Independent/contract grower)
Lyon County, Minn., confirmed April 10 (Independent/contract grower)
Meeker County, Minn., confirmed April 8 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 7 (Independent/contract grower)
Stearns County, Minn., confirmed April 6 (Independent/contract grower)

http://foodsafety.jennieo.com/confirmed-sites/

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PostPosted: Wed Apr 22, 2015 8:18 pm 
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USDA hopes weather will help as H5N2 outbreaks mount
Filed Under: Avian Influenza (Bird Flu)
Robert Roos and Lisa Schnirring | Staff Writers | CIDRAP News | Apr 22, 2015

Warm weather and plenty of sunshine are the factors most likely to halt, at least for now, the series of H5N2 avian flu outbreaks plaguing poultry farms across the Midwest, US Department of Agriculture (USDA) officials said today, a few hours before an onslaught of 13 new outbreaks in Minnesota was reported.

"When warm weather comes in consistently across the country I think we'll stop seeing new cases," John Clifford, DVM, the USDA's chief veterinary officer, said at a morning press conference about the virus that has spelled death for millions of turkeys and chickens in recent weeks.

"I can't predict what will happen in the fall, but we need to prepare and that's what we're doing," he added.

His comments came in the wake of four more turkey-farm outbreaks reported late yesterday, three in Minnesota and one in South Dakota. And late this afternoon the USDA and Minnesota officials reported that the virus has hit 13 more turkey farms in the state, while Wisconsin officials reported two H5 outbreaks on chicken and turkey farms in different counties, with test results on the specific subtype awaited.

Virus can't take the heat
In response to a question about whether cool weather is prolonging the H5N2 siege, Clifford said, "We know that this virus doesn't like heat, so when it gets up to a certain level of temperature the virus doesn't survive easily."

David Swayne, DVM, PhD, director of the USDA's Southeast Poultry Research Laboratory in Athens, Ga., added that the increased sunshine in spring and summer means more ultraviolet light, which kills flu viruses.

"It's hard to predict a particular date and say we'll have a drop-off in cases," he said, noting that temperature and humidity are factors as well. "Dryness also helps reduce the life of the virus in the environment."

More than 3 million birds culled
Clifford said more than 3.5 million birds have been culled so far to prevent the virus from spreading. The number doesn't include the huge chicken layer facility in northwestern Iowa that was identified as an outbreak site 2 days ago, he said.

The USDA had said the farm in Osceola County had 5.3 million chickens, but the owner of the farm, Sonstegard Foods, later said it had only 3.8 million birds there, according to media reports yesterday. Either way, the farm is by far the biggest to be affected so far.

The H5N2 virus is known to exist in some wild waterfowl, which can shed it in their feces. But how it is getting into poultry barns remains unknown, and officials shed no new light on that at the briefing.

"We're looking into a multitude of possibilities," said Clifford.

In opening the briefing, Clifford said officials and farmers have succeeded in keeping the virus from spreading from infected farms to others nearby. "We've had very good success in being able to address these things once we've been able to find these outbreak situations. We've been able to contain lateral spread," he said.

But he later qualified that, commenting that with the many recent outbreaks and epidemiologic investigations incomplete, "I don't want to say there's been no lateral spread."

Airborne spread?
In response to a question, he said USDA officials are considering the possibility that the virus may go airborne in certain circumstances.

Avian flu viruses do not spread easily through the air, he said, but added that some of the affected Minnesota farms are close to lakes, and winds in the region have been high recently. "Were talking about wind carrying potential feathers or dust or other things that could carry the virus and moving it into [poultry] houses," he said.

A University of Minnesota swine health expert told CIDRAP News today that he is part of a group that has been approached by the USDA about a possible air sampling study to look for the virus.

Peter Davies, BVSc, PhD, a professor of swine health and production, said USDA officials contacted him last week. "They told us they were interested in having some testing done, to explore the possibility whether the virus could be detected in the air in proximity to the barns," he said. "It's sort of contingent on finding a suitable farm and USDA contacting us to say they'd like us to test. We're really waiting for them to give us the go-ahead."

Davies noted that he was a coauthor of a study published last year on the detection of porcine epidemic diarrhea virus in aerosols. He said he didn't know if the USDA has already done any research on airborne transmission of the H5N2 virus, and Clifford didn't spell out any such effort.

Davies stressed that several other University of Minnesota personnel also are involved in the potential project, including graduate student Carmen Alonso, DVM; Montserrat Torremorell, DVM, PhD, an associate professor in veterinary population medicine; and Peter Raynor, PhD, an environmental sciences associate professor in the School of Public Health.

Flyway crossover
In other comments at the briefing, officials noted the concern that the virus could spread farther east through summertime mingling of migratory birds that use different flyways. Thus far the virus has been found in the Pacific, Central, and Mississippi flyways.

Clifford commented that the virus has adapted well to migratory birds, has been found in three flyways, and has caused two outbreaks in Ontario, all of which suggest the possibility of eastward spread. Noting that with birds there is some "crossover and mixing" between the flyways, he said, "If we see it in the fall, we're likely to see it in more flyways."

Swayne added, "Once they [migratory birds] go in summer to their northern breeding grounds, we're not sure if they'll bring the virus back [in the fall] or if it'll burn itself out. But we have to prepare for that possibility."

Low risk to humans
Alicia Fry, MD, MPH, a flu expert with the Centers for Disease Control and Prevention, noted that the H5 viruses now circulating in the United States have not been known to infect humans, but said that possibility can't be ruled out.

"While we are cautiously optimistic, we must be prepared for that possibility," she said. "We're creating candidate vaccine viruses which could be used to make a vaccine for people if needed." She characterized that as a routine step taken when any new flu virus emerges.

Later she commented, "At this point we don't know very much about these viruses because they're new, but we do know if we look at their genes we don't see any genetic markers which in the past have been associated with more severity or more transmission to humans, so that's a good sign."

Fry also cautioned the public to avoid contact with sick-looking or dead domestic birds or poultry and their droppings. Anyone who has had contact with infected birds should watch for any flu-like symptoms, she added. She also noted that at least 100 people who were exposed to infected birds have been monitored, with no illnesses.

Swayne noted that his lab is developing a seed strain for a potential poultry vaccine against H5N2 and will test it in chickens and turkeys. The decision whether to eventually use it will be up to regulatory officials.

Signs of infection in birds
Responding to a question, Clifford said that when turkeys are infected, "They'll go off water and feed and once they start doing that, it doesn't take very long, we're talking hours, for the birds to become very lethargic."

They show "a little twisting of the neck, followed pretty rapidly by death. . . . In chickens you see a drop in egg production, and some of the same symptoms, going off feed and lethargy. We're not seeing a lot of respiratory signs in turkeys."

Minnesota, Wisconsin report more outbreaks
Fifteen new avian flu outbreaks were reported today, 13 in Minnesota turkeys and 2 in Wisconsin. The Wisconsin outbreaks were in chickens at a commercial egg farm and at a commercial turkey farm. Outbreaks have now been detected in five Wisconsin counties.

The USDA's Animal and Plant Health Inspection Service (APHIS) said that Minnesota reported 13 new H5N2 outbreaks at commercial turkey farms in five different counties that have already battled the virus. The outbreaks, confirmed on Apr 20 and 21, struck birds in Kandiyohi (5 outbreaks), Meeker (3), Stearns (3), Otter Tail (1), and Redwood (1) counties. Most of the affected counties are located in the central part of the state, though Redwood County is southwest of that area and Otter Tail County is northwest of the main outbreak region.

The 5 new outbreaks in Kandiyohi County—the state's top turkey producer—raised the county's total of 15.

Details on flock size are still pending for 3 of the outbreaks, with the affected birds in today's other 10 outbreaks totaling 430,300, according to the report. The Minnesota Board of Animal Health (MBAH) now lists a total of 44 affected farms, with 2.57 million turkeys, in 15 counties.

Minnesota is the United States' leading turkey producer, raising about 46 million birds each year.

Meanwhile, Wisconsin's Department of Agriculture (WDA) said H5 avian influenza has been detected in a chicken flock in Jefferson County and in birds at a commercial turkey farm in Chippewa County, raising the state's outbreak total to five.

The Jefferson County farm houses 800,000 chickens, and all surviving birds will be destroyed to curb the spread of the virus. Agriculture officials will conduct surveillance and testing at other farms near the facility to check for virus spread.

Jefferson County, in the southeastern corner of the state, was the first county to report an H5 outbreak, on Apr 13. Other virus detections occurred in Barron, Juneau, and Chippewa counties, which led to the culling of 400,000 birds.

Earlier today the WDA said an H5 outbreak was detected in a flock of 87,000 turkeys in Chippewa County. The Associated Press (AP) reported that Hormel Foods has confirmed that the facility is owned by its Jennie-O Turkey Store division. Chippewa County is in west-central Wisconsin, and the outbreak announced today is its first.

Wisconsin had already banned poultry movements in three affected counties and added Chippewa County to the list today, according to the WDA.

Yesterday's Minnesota outbreaks involved a farm with 301,000 turkeys in Wadena County, the county's first outbreak; Cottonwood County's second incident, on a farm with 30,000 turkeys; and a Kandiyohi County outbreak on a farm with 61,000 birds.

In South Dakota, a turkey farm in the northeastern county of Spink was also hit by the virus, in the state's sixth outbreak, the USDA reported late yesterday.

See also:

USDA's national list of recent avian flu outbreaks

Apr 22 USDA Blog post by Clifford on avian flu outbreaks

MBAH updates on avian flu

Apr 22 WDA statement on Jefferson County outbreak

Apr 22 WDA statement on Chippewa County outbreak

Apr 22 AP story

Mar 27 CIDRAP News story on H5N2 vaccine development

http://www.cidrap.umn.edu/news-perspect ... eaks-mount

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PostPosted: Fri Apr 24, 2015 10:42 pm 
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Confirmed sites
Sorted by confirmation date:

Kandiyohi County, Minn., confirmed April 23 (Jennie-O Turkey Store facility)
Barron County, Wis., confirmed April 23 (Jennie-O Turkey Store facility)
Chippewa County, Wis., confirmed April 22 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 22 (Two Independent/contract growers)
Stearns County, Minn., confirmed April 22 (Jennie-O Turkey Store facility)
Otter Tail County, Minn., confirmed April 22 (Jennie-O Turkey Store facility)
Meeker County, Minn., confirmed April 22 (Jennie-O Turkey Store facility)
Stearns County, Minn., confirmed April 21 (independent/contract grower)
Kandiyohi County, Minn,, confirmed April 21 (two Independent/contract growers)
Wadena County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 20 (Independent/contract grower)
Barron County, Wis., confirmed April 16 (Jennie-O Turkey Store facility)
Stearns County, Minn., confirmed April 15 (Jennie-O Turkey Store facility)
Otter Tail County, Minn., confirmed April 15 (Independent/contract breeder farm operation)
Kandiyohi County, Minn., confirmed April 15 (Independent/contract grower)
Meeker County, Minn., confirmed April 14 (One Jennie-O Turkey Store facility and one Jennie-O Turkey Store facility, managed by an independent grower)
Redwood County, Minn., confirmed April 14 (Independent/contract grower)
Stearns County, Minn., confirmed April 13 (Independent/contract grower)
Swift County, Minn., confirmed April 13 (Two Jennie-O Turkey Store facilities, managed by an independent grower)
LeSueur County, Minn., confirmed April 11 (Independent/contract grower)
Watonwan County, Minn., confirmed April 9 (Jennie-O Turkey Store facility)
Cottonwood County, Minn., confirmed April 9 (Independent/contract grower)
Lyon County, Minn., confirmed April 9 (Independent/contract grower)
Meeker County, Minn., confirmed April 7 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 7 (Independent/contract grower)
Stearns County, Minn., confirmed April 4 (Independent/contract grower)
Lac qui Parle County, Minn., confirmed March 27 (Independent/contract grower)
Sorted by state, county:

Minnesota:

Cottonwood County, Minn., confirmed April 9 (Independent/contract grower)
Kandiyohi County, Minn., confirmed April 23 (Jennie-O Turkey Store facility)
Kandiyohi County, Minn., confirmed April 22 (Two Independent/contract growers)
Kandiyohi County, Minn,, confirmed April 21 (two Independent/contract growers)
Kandiyohi County, Minn., confirmed April 20 (Independent/contract grower)
Kandiyohi County, Minn., confirmed April 15 (Independent/contract grower)
Kandiyohi County, Minn., confirmed April 7 (Independent/contract grower)
Lac qui Parle County, Minn., confirmed March 27 (Independent/contract grower)
LeSueur County, Minn., confirmed April 11 (Independent/contract grower)
Lyon County, Minn., confirmed April 9 (Independent/contract grower)
Meeker County, Minn., confirmed April 22 (Jennie-O Turkey Store facility)
Meeker County, Minn., confirmed April 14 (One Jennie-O Turkey Store facility and one Jennie-O Turkey Store facility, managed by an independent grower)
Meeker County, Minn., confirmed April 7 (Jennie-O Turkey Store facility)
Otter Tail County, Minn., confirmed April 22 (Jennie-O Turkey Store facility)
Otter Tail County, Minn., confirmed April 15 (Independent/contract breeder farm operation)
Redwood County, Minn., confirmed April 14 (Independent/contract grower)
Stearns County, Minn., confirmed April 22 (Jennie-O Turkey Store facility)
Stearns County, Minn., confirmed April 21 (independent/contract grower)
Stearns County, Minn., confirmed April 15 (Jennie-O Turkey Store facility)
Stearns County, Minn., confirmed April 13 (Independent/contract grower)
Stearns County, Minn., confirmed April 4 (Independent/contract grower)
Swift County, Minn., confirmed April 13 (Two Jennie-O Turkey Store facilities, managed by an independent grower)
Wadena County, Minn., confirmed April 20 (Jennie-O Turkey Store facility)
Watonwan County, Minn., confirmed April 9 (Jennie-O Turkey Store facility)
Wisconsin:

Barron County, Wis., confirmed April 23 (Jennie-O Turkey Store facility)
Barron County, Wis., confirmed April 16 (Jennie-O Turkey Store facility)
Chippewa County, Wis., confirmed April 22 (Jennie-O Turkey Store facility)

http://foodsafety.jennieo.com/confirmed-sites/

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PostPosted: Mon Apr 27, 2015 11:24 am 
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Highly pathogenic avian influenza,
United States of America

Information received on 24/04/2015 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. 13
Date of start of the event 10/12/2014
Date of confirmation of the event 15/12/2014
Report date 24/04/2015
Date submitted to OIE 24/04/2015
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 H5N2
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 (07/01/2015)
Follow-up report No. 2 (13/01/2015)
Follow-up report No. 3 (22/01/2015)
Follow-up report No. 4 (03/02/2015)
Follow-up report No. 5 (17/02/2015)
Follow-up report No. 6 (24/02/2015)
Follow-up report No. 7 (06/03/2015)
Follow-up report No. 8 (12/03/2015)
Follow-up report No. 9 (20/03/2015)
Follow-up report No. 10 (31/03/2015)
Follow-up report No. 11 (08/04/2015)
Follow-up report No. 12 (15/04/2015)
Follow-up report No. 13 (24/04/2015)
New outbreaks (24)
Outbreak 1 (78) Juneau County, Juneau, WISCONSIN
Date of start of the outbreak 08/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 33 33
Affected population The affected premises was a small backyard mixed flock of ducks and chickens that were allowed access to the outdoors.
Outbreak 2 (59) Swift County, Swift, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 160000 160000
Affected population A commercial turkey flock.
Outbreak 3 (60) Stearns County 5, Stearns, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 76000 76000
Affected population A commercial turkey flock.
Outbreak 4 (58) Le Sueur County, Le Sueur, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 21500 21500
Affected population A commercial turkey flock.
Outbreak 5 (65) Meeker County 3, Meeker, MINNESOTA
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 20000 20000
Affected population A commercial turkey flock.
Outbreak 6 (56) St. Charles County, St. Charles, MISSOURI
Date of start of the outbreak 10/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Snow Goose:Anser caerulescens(Anatidae)
Affected population Wild bird surveillance.
Outbreak 7 (63) Meeker County 2, Meeker, MINNESOTA
Date of start of the outbreak 11/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 25000
Affected population A commercial turkey flock.
Outbreak 8 (61) Swift County 2, Swift, MINNESOTA
Date of start of the outbreak 11/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 154000 154000
Affected population A commercial turkey flock.
Outbreak 9 (62) Redwood County, Redwood, MINNESOTA
Date of start of the outbreak 11/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 56000 56000
Affected population A commercial turkey flock.
Outbreak 10 (75) Buena Vista County, Buena Vistaa, IOWA
Date of start of the outbreak 12/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 27000 27000
Affected population A commercial turkey flock.
Outbreak 11 (76) Roberts County, Roberts, SOUTH DAKOTA
Date of start of the outbreak 12/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 69000 69000
Affected population A commercial turkey flock.
Outbreak 12 (64) Kandiyohi County 4, Kandiyohi, MINNESOTA
Date of start of the outbreak 12/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 30000 30000
Affected population A commercial turkey flock.
Outbreak 13 (66) Otter Tail County, Otter Tail, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 21000
Affected population A commercial turkey flock.
Outbreak 14 (67) Stearns County 6, Stearns, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 67000 67000
Affected population A commercial turkey flock.
Outbreak 15 (69) Roseau County, Roseau, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 26000
Affected population A commercial turkey flock.
Outbreak 16 (68) Kandiyohi County 5, Kandiyohi, MINNESOTA
Date of start of the outbreak 13/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 152000 152000
Affected population A commercial turkey flock.
Outbreak 17 (57) Barron County, Barron, WISCONSIN
Date of start of the outbreak 14/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 126650 126650
Affected population A commercial turkey flock.
Outbreak 18 (70) Kandiyohi County 6, Kandiyohi, MINNESOTA
Date of start of the outbreak 15/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 23000
Affected population A commercial turkey flock.
Outbreak 19 (74) Cottonwood County 2, Cottonwood, MINNESOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 30000
Affected population A commercial turkey flock.
Outbreak 20 (79) Osceola County, Osceolla, IOWA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 4034000
Affected population A commercial chicken table egg layer flock.
Outbreak 21 (77) Spink County, Spink, SOUTH DAKOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 35100 35100
Affected population A commercial turkey flock.
Outbreak 22 (71) Kandiyohi County 8, Kandiyohi, MINNESOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 9000
Affected population A commercial turkey flock.
Outbreak 23 (73) Wadena County, Wadena, MINNESOTA
Date of start of the outbreak 16/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 301000
Affected population A commercial turkey flock.
Outbreak 24 (72) Kandiyohi County 9, Kandiyohi, MINNESOTA
Date of start of the outbreak 17/04/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 61000
Affected population A commercial turkey flock.
Summary of outbreaks Total outbreaks: 24
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 5524283 ** 994283
Snow Goose:Anser caerulescens(Anatidae) **
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** ** **
Snow Goose:Anser caerulescens(Anatidae) ** ** ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
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 (including wild bird surveillance of hunter harvested birds) in response to the HPAI H5N8 and H5N2 wild bird related events. Novel avian influenza virus of Eurasian origin (EA-H5N8 clade 2.3.4.4) spread rapidly along wild bird migratory pathways during 2014. Introduction of this EA-H5N8 virus into the Pacific Flyway sometime during 2014 has allowed mixing with North American (AM) lineage viruses and generated new combinations with genes from both EA and AM origin (or “reassortant” viruses) such as this EA/AM H5N2-reassortant detected in the US. In addition, overlap of the Pacific, Central, and Mississippi Americas flyways has resulted in movement of the virus to the central part of the country. The EA-H5 clade 2.3.4.4 viruses are highly pathogenic for poultry.
Control measures
Measures applied
Stamping out
Quarantine
Movement control inside the country
Zoning
Disinfection of infected premises/establishment(s)
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 11/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 12/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 13/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 14/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 16/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 17/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 20/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 11/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 12/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 13/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 14/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 16/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 17/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 20/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Snow Goose real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 10/04/2015 Positive
National Veterinary Services Laboratories (NVSL) (National laboratory) Snow Goose virus sequencing 10/04/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations

http://www.oie.int/wahis_2/public/wahid ... rtid=17593

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