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Saudi Arabia - 7 new outbreaks of highly pathogenic avian influenza H5N8 in birds in farms, Riyadh (OIE, April 29, 2018)

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  • Saudi Arabia - 7 new outbreaks of highly pathogenic avian influenza H5N8 in birds in farms, Riyadh (OIE, April 29, 2018)

    Highly pathogenic avian influenza,
    Saudi Arabia
    Information received on 01/05/2018 from Dr Ali Al Doweriej, Director General of Veterinary Health and Monitoring Department, Veterinary Health and Monitoring Department, Ministry of Environment, Water and Agriculture, RIYADH, Saudi Arabia
    Summary
    Report type Follow-up report No. 5
    Date of start of the event 19/12/2017
    Date of confirmation of the event 20/12/2017
    Report date 29/04/2018
    Date submitted to OIE 01/05/2018
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 29/01/2008
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N8
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (22/12/2017)
    Follow-up report No. 1 (02/01/2018)
    Follow-up report No. 2 (16/01/2018)
    Follow-up report No. 3 (13/02/2018)
    Follow-up report No. 4 (01/03/2018)
    Follow-up report No. 5 (29/04/2018)
    New outbreaks (7)
    Outbreak 1 ALkharj, ALkharj, Ar Riyad
    Date of start of the outbreak 20/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 85550 1200 1200 84350 0
    Outbreak 2 Thadiq, Thadiq, Ar Riyad
    Date of start of the outbreak 21/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 135000 5000 750 134250 0
    Outbreak 3 ALkharj, ALkharj, Ar Riyad
    Date of start of the outbreak 24/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 1136980 1011 1011 1135969 0
    Outbreak 4 ALkharj, ALkharj, Ar Riyad
    Date of start of the outbreak 25/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 659411 2144 2144 657267 0
    Outbreak 5 Zulfi, Zulfi, Ar Riyad
    Date of start of the outbreak 07/03/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 143000 3000 3000 140000 0
    Outbreak 6 ALkharj, ALkharj, Ar Riyad
    Date of start of the outbreak 30/03/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 507790 231 231 507559 0
    Outbreak 7 ALkharj, ALkharj, Ar Riyad
    Date of start of the outbreak 30/03/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 355000 3000 3000 352000 0
    Summary of outbreaks Total outbreaks: 7
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3022731 15586 11336 3011395 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 0.52% 0.38% 72.73% 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
    • Movement control inside the country
    • Surveillance outside containment and/or protection zone
    • Surveillance within containment and/or protection zone
    • Traceability
    • Quarantine
    • Official disposal of carcasses, by-products and waste
    • Stamping out
    • Disinfection
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Riyadh Veterinary Diagnostic Laboratory (National laboratory) Birds real-time PCR 09/04/2018 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...

    http://www.oie.int/wahis_2/public/wa...reportid=26504
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