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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)

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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)

    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) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 04/03/2017 Positive
    National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus isolation Pending
    National Veterinary Services Laboratories (NVSL) (National laboratory) Birds virus sequencing 04/03/2017 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=23141
    "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

  • #2
    Jennie-O Company News:

    Update on Avian Influenza

    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. Its 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.

    More information can be found at: http://foodsafety.jennieo.com/
    "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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