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US - The HPAI H7N8 outbreak in Indiana is now final, closed, and resolved (OIE, April 22, 2016)

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  • US - The HPAI H7N8 outbreak in Indiana is now final, closed, and resolved (OIE, April 22, 2016)

    Highly pathogenic avian influenza,
    United States of America
    Information received on 22/04/2016 from Dr John Clifford, Deputy Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture, Washington, United States of America
    Report type Follow-up report No. 5 (Final report)
    Date of start of the event 11/01/2016
    Date of confirmation of the event 15/01/2016
    Report date 22/04/2016
    Date submitted to OIE 22/04/2016
    Date event resolved 24/03/2016
    Reason for notification Reoccurrence of a listed disease
    Date of previous occurrence 2015
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H7N8
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (15/01/2016)
    Follow-up report No. 1 (25/01/2016)
    Follow-up report No. 2 (01/02/2016)
    Follow-up report No. 3 (09/02/2016)
    Follow-up report No. 4 (29/02/2016)
    Follow-up report No. 5 (22/04/2016)
    Outbreaks There are no new outbreaks in this report
    Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    Epidemiological comments The HPAI H7N8 outbreak in Indiana is now final, closed, and resolved. The last and only positive detection of HPAI H7N8 in poultry was made on January 15, 2016. In addition to having no further HPAI detections, the state of Indiana has met the following: Mandatory surveillance in the State and control areas has been completed with negative results for HPAI. As a precaution, additional enhanced surveillance and procedures may continue in the State and area. Depopulation of all infected premises has been completed and appropriate disposal was completed. Cleaning and disinfection of the infected premises (including, but not limited to, outside areas, equipment, trucks, and other fomites). No HPAI detections through wild bird surveillance have been made within the past 3 months. The USDA Animal and Plant Health Inspection Service (APHIS), Departments of Wildlife, and the Indiana State Board of Animal Health, continue to conduct thorough surveillance for avian influenza virus through the National Poultry Improvement Plan (NPIP), the Indiana State Poultry Association, and wild bird surveillance programs. All surveillance samples have tested negative for avian influenza. No HPAI has been detected in over 3 months. The HPAI event in the United States is considered CLOSED. In accordance with the World Organisation for Animal Health (OIE) Terrestrial Animal Health Code Chapter 10.4 (Articles 10.4.3 and 10.4.4), the United States has completely fulfilled the necessary actions and surveillance requirements to again self-declare itself free from HPAI.
    Control measures
    Measures applied
    • Movement control inside the country
    • Disinfection / Disinfestation
    • Quarantine
    • Surveillance outside containment and/or protection zone
    • Stamping out
    • Official disposal of carcasses, by-products and waste
    • Surveillance within containment and/or protection zone
    • Zoning
    • 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.
    "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."
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