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_|U.S.A.: FOLLOW-UP REPORT NO. 2, LOW PATH BIRD FLU VIRUS A/H7N3 IN POULTRY|_

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  • _|U.S.A.: FOLLOW-UP REPORT NO. 2, LOW PATH BIRD FLU VIRUS A/H7N3 IN POULTRY|_

    [AVIAN INFLUENZA, POULTRY, A/H7N3, USA, OIE, UPDATES] Low pathogenic avian influenza (poultry), United States of America

    Information received on 15/07/2008 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 (Final report)
    Start date 30/05/2008
    Date of first confirmation of the event 07/06/2008
    Report date 15/07/2008
    Date submitted to OIE 15/07/2008
    Date event resolved 14/07/2008
    Reason for notification Reoccurrence of a listed disease
    Date of previous occurrence 23/07/2007
    Causal agent Low pathogenic avian influenza virus Serotype H7N3
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (10/06/2008)
    Follow-up report No. 1 (24/06/2008)
    Follow-up report No. 2 (15/07/2008)

    Outbreaks
    There are no new outbreaks in this report

    Epidemiology
    Source of the outbreak(s) or origin of infection Unknown or inconclusive

    Epidemiological comments
    The LPAI detection event in Washington County, Arkansas was limited to one premises.
    - Backyard poultry were submitted to two rounds of testing with negative results.
    - Cleaning and disinfection of affected premises was completed on 21 June 2008.
    - Environmental testing of the single affected premises yielded negative results. All quarantines and hold orders have been released.
    - All enhanced surveillance activities and epidemiological investigations have been completed.
    - All test results from samples obtained from backyard poultry and commercial operations were negative for LPAI.
    - All movement restrictions within the 10-km zone have been lifted.
    This LPAI H7N3 event is considered closed.

    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

    Future Reporting
    The event is resolved. No more reports will be submitted.
    -
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  • #2
    Re: _|U.S.A.: FOLLOW-UP REPORT NO. 2, LOW PATH BIRD FLU VIRUS A/H7N3 IN POULTRY|_

    Note:

    Vaccination prohibited
    It would be interesting to compare and contrast the degree of mutation of these occasional LPAI (& other poultry LPAI>HPAI) outbreaks to the degree of mutation with H5N1 over 12 years.

    .
    "The next major advancement in the health of American people will be determined by what the individual is willing to do for himself"-- John Knowles, Former President of the Rockefeller Foundation

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