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  Title : #Avian #Influenza #H7N9 in #China: Preventing the Next #SARS. Subject : Avian Influenza, H7N9 subtype (Asian Lineage), poultry e...

2 Jun 2017

Highly pathogenic #avian #influenza #H5N8, #Zimbabwe [a #poultry #outbreak] (#OIE, Jun 2 ‘17)


Title: Highly pathogenic #avian #influenza #H5N8, #Zimbabwe [a #poultry #outbreak].

Subject: Avian Influenza, H5N8 subtype, poultry epizootics in Zimbabwe.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, Zimbabwe

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Information received on 01/06/2017 from Dr Unesu Hildah Ushewokunze-Obatolu, Principal Director, , Department of Livestock and Veterinary Services, Harare, Zimbabwe

  • Summary
    • Report type  Immediate notification
    • Date of start of the event  17/05/2017
    • Date of confirmation of the event  01/06/2017
    • Report date  01/06/2017
    • Date submitted to OIE  01/06/2017
    • Reason for notification  New strain of a listed disease in the country
    • Causal agent  Highly pathogenic avian influenza virus
    • Serotype  H5N8
    • Nature of diagnosis  Laboratory (advanced)
    • This event pertains to  a defined zone within the country
  • New outbreaks
    • Summary of outbreaks
      • Total outbreaks: 1
        • Outbreak Location  -   MASHONALAND EAST ( LANARK, SEKE )
      • Total animals affected:  Species -  Susceptible -  Cases -  Deaths -  Killed and disposed of – Slaughtered
        • Birds  -  2000000  -  7845  -  7845  -  75155  -  0
      • Outbreak statistics:  Species -  Apparent morbidity rate -  Apparent mortality rate -  Apparent case fatality rate -  Proportion susceptible animals lost*
        • Birds -  0.39% -  0.39% -  100.00% -  4.15%
          • * Removed from the susceptible population through death, destruction and/or slaughter;
  • Epidemiology
    • Source of the outbreak(s) or origin of infection
      • Unknown or inconclusive
  • Epidemiological comments
    • The affected farm has 8 separately managed sites which are at least 1km apart.
    • One of the eight sites was affected, a parent breeding unit for broilers with 83,000 birds.
    • A total of 3,045 birds died within a week at this site showing signs consistent with highly pathogenic avian influenza.
    • The affected site is close to a small dam where there are a number of different migratory waterfowl, which are tentatively suspected to be source of infection.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Surveillance outside containment and/or protection zone
      • Surveillance within containment and/or protection zone
      • Screening
      • Traceability
      • Quarantine
      • Official destruction of animal products
      • Official disposal of carcasses, by-products and waste
      • Stamping out
      • Zoning
      • Disinfection
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • No other measures
  • Diagnostic test results
    • Laboratory name and type -  Onderstepoort Veterinary Institute, South Africa ( Regional Reference Laboratory )
      • Tests and results:  Species -  Test -  Test date -  Result
        • Birds -  real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 29/05/2017 -  Positive
        • Birds -  virus sequencing -  01/06/2017 -  Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.
       

(...)

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Keywords: OIE; Updates; Avian Influenza; H5N8 ; Poultry; Zimbabwe.

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