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Vietnam - 1 new outbreak of highly pathogenic avian influenza H5N6 in birds in village, Quang Ninh Province (OIE, February 4, 2020)

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  • Vietnam - 1 new outbreak of highly pathogenic avian influenza H5N6 in birds in village, Quang Ninh Province (OIE, February 4, 2020)

    Highly pathogenic avian influenza,
    Vietnam
    Information received on 04/02/2020 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 Immediate notification
    Date of start of the event 18/01/2020
    Date of confirmation of the event 21/01/2020
    Report date 04/02/2020
    Date submitted to OIE 04/02/2020
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 15/11/2019
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N6
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (1)
    Outbreak 1 Duc Yen, Duc Yen, Dam Ha, Quang Ninh
    Date of start of the outbreak 18/01/2020
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Village
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3000 2500 2200 300 0
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3000 2500 2200 300 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 83.33% 73.33% 88.00% 83.33%
    *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 permitted (if a vaccine exists)
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Regional Animal Health Office 2 (Regional Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 21/01/2020 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    https://www.oie.int/wahis_2/public/w...reportid=33160
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