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USA - 1 new outbreak of low pathogenic avian influenza virus H5N2 in commercial turkey in farm, Barron, Wisconsin (OIE, March 6, 2017)
USA - 1 new outbreak of low pathogenic avian influenza virus H5N2 in commercial turkey in farm, Barron, Wisconsin (OIE, March 6, 2017)
Low pathogenic avian influenza (poultry),
United States of America
Information received on 06/03/2017 from Dr John Clifford, Official Delegate, Chief Trade Advisor, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
Summary
Report type
Immediate notification
Date of start of the event
02/03/2017
Date of confirmation of the event
04/03/2017
Report date
06/03/2017
Date submitted to OIE
06/03/2017
Reason for notification
Reoccurrence of a listed disease
Date of previous occurrence
2016
Manifestation of disease
Clinical disease
Causal agent
Low pathogenic avian influenza virus
Serotype
H5N2
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)
Outbreak 1
Barron County, Barron, WISCONSIN
Date of start of the outbreak
02/03/2017
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Destroyed
Slaughtered
Birds
84000
Affected population
Commercial turkey flock
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Destroyed
Slaughtered
Birds
84000
**
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
**
**
**
**
*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
Unknown or inconclusive
Epidemiological comments
The USDA Animal Plant Health Inspection Service (APHIS) and the Wisconsin Department of Agriculture Trade and Consumer Protection are responding to this event. Testing of the commercial turkey flock occurred after the birds exhibited signs of depression. Samples were submitted for laboratory testing and were confirmed positive for influenza A virus H5N2 LPAI North American wild bird origin. Both the HA and NA are distinct from the EA/AM H5N2 clade 2.3.4.4 viruses from 2015. The infected premises was quarantined and the turkeys will be depopulated through controlled marketing. A comprehensive epidemiological investigation with enhanced surveillance is ongoing.
Control measures
Measures applied
Movement control inside the country
Quarantine
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Zoning
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)
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
On March 4, 2017, the National Veterinary Services Laboratory (NVSL) confirmed low pathogenic avian influenza (LPAI) in a commercial turkey flock owned by Jennie-O Turkey Store in Wisconsin. This situation in Wisconsin only involves one farm site where experienced flock management personnel identified health issues in the flock and promptly pursued testing.
The strain is an H5N2 influenza of North American wild bird lineage. It?s important to understand that low path avian influenza is common in North America.
There has also been a confirmed report of a highly pathogenic avian influenza (HPAI) of an ?H7? origin in a chicken breeder flock in Tennessee.
This HPAI situation does not involve Jennie-O Turkey Store and we have no turkey flocks in that area of the country. Poultry is safe to eat and products produced in the U.S. are safe for consumption. Avian influenza is an animal health issue, not a food safety issue. As a reminder, poultry and eggs should always be handled properly and cooked to an internal temperature of 165 ˚F. See the Food Safety section on this web site for more information.
From farm to table, we believe that eating well shouldn’t come at the cost of taste. All of our products begin and end with one thing: flavorful and delicious meat.
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
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