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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.
    -
    ------

  • #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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