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Vietnam - 5 new outbreaks of highly pathogenic avian influenza H5N1 in backyard birds, Nghe An (OIE, May 4, 2017)

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  • Vietnam - 5 new outbreaks of highly pathogenic avian influenza H5N1 in backyard birds, Nghe An (OIE, May 4, 2017)

    Highly pathogenic avian influenza,
    Vietnam
    Information received on 04/05/2017 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hanoď, Vietnam
    Summary
    Report type Follow-up report No. 14
    Date of start of the event 14/02/2017
    Date of confirmation of the event 15/02/2017
    Report date 04/05/2017
    Date submitted to OIE 04/05/2017
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 10/2016
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N1
    Nature of diagnosis Clinical, Laboratory (advanced)
    This event pertains to the whole country
    Related reports Immediate notification (19/02/2017)
    Follow-up report No. 1 (21/02/2017)
    Follow-up report No. 2 (23/02/2017)
    Follow-up report No. 3 (09/03/2017)
    Follow-up report No. 4 (12/03/2017)
    Follow-up report No. 5 (22/03/2017)
    Follow-up report No. 6 (25/03/2017)
    Follow-up report No. 7 (28/03/2017)
    Follow-up report No. 8 (07/04/2017)
    Follow-up report No. 9 (14/04/2017)
    Follow-up report No. 10 (19/04/2017)
    Follow-up report No. 11 (26/04/2017)
    Follow-up report No. 12 (27/04/2017)
    Follow-up report No. 13 (02/05/2017)
    Follow-up report No. 14 (04/05/2017)
    New outbreaks (5)
    Outbreak 1 Dien Loc, Dien Loc, Dien Chau, NGHE AN
    Date of start of the outbreak 18/02/2017
    Outbreak status Resolved (18/03/2017)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 497 300 200 297 0
    Outbreak 2 Dien Thang, Dien Thang, Dien Chau, NGHE AN
    Date of start of the outbreak 18/02/2017
    Outbreak status Resolved (18/03/2017)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 450 200 100 350 0
    Outbreak 3 Dien Nguyen, Dien Nguyen, Dien Chau, NGHE AN
    Date of start of the outbreak 18/02/2017
    Outbreak status Resolved (18/03/2017)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 72 50 20 52 0
    Outbreak 4 Dien Cat, Dien Cat, Cien Chau, NGHE AN
    Date of start of the outbreak 18/02/2017
    Outbreak status Resolved (18/03/2017)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 80 50 30 50 0
    Outbreak 5 Dong Vinh, Dong Vinh, Vinh, NGHE AN
    Date of start of the outbreak 18/02/2017
    Outbreak status Resolved (18/03/2017)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 4400 2700 600 3800 0
    Summary of outbreaks Total outbreaks: 5
    Total animals affected
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 5499 3300 950 4549 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 60.01% 17.28% 28.79% 100.00%
    *Removed from the susceptible population through death, destruction and/or slaughter
    Epidemiology
    Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    Control measures
    Measures applied
    • Vaccination in response to the outbreak (s)
    • Disinfection / Disinfestation
    • Stamping out
    • Surveillance within containment and/or protection zone
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=23680
    "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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