BOA1

Featured post

#Assessment of #risk associated with #influenza A(#H5N8) virus, 17 November 2016 (@WHO)

  Title : #Assessment of #risk associated with #influenza A(#H5N8) virus, 17 November 2016. Subject : Avian Influenza, H5N8 subtype, multi...

1 Dec 2016

Highly pathogenic #avian #influenza #H5, #Tunisia [#wildbirds #epizootic, #Bizerte] (#OIE, Dec. 1 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5, #Tunisia [#wildbirds #epizootic, #Bizerte].

Subject: Avian Influenza, H5(N8) subtype, wild birds epizootic in Tunisia.

Source: OIE, full page: (LINK).

Code: [     ]

_____

Highly pathogenic avian influenza H5, Tunisia

Information received on 01/12/2016 from Dr Malek Zrelli, Directeur Général, Direction Générale des Services Vétérinaires, Ministère de l'Agriculture, Tunis, Tunisia

  • Summary
    • Report type Immediate notification
    • Date of start of the event 24/11/2016
    • Date of confirmation of the event 30/11/2016
    • Report date 01/12/2016
    • Date submitted to OIE 01/12/2016
    • Reason for notification First occurrence of a listed disease in the country
    • Causal agent Highly pathogenic avian influenza virus in wild birds
    • Serotype H5
    • 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  - BIZERTE ( Ichkeul Natural Park, Ghazala )
          • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
            • Common Coot:Rallidae (Fulica atra)  - … – 17  - 17  - 0  - 0
            • Eurasian Wigeon:Anatidae (Anas penelope)  - … – 13  - 13  - 0  - 0
          • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
            • Common Coot:Rallidae (Fulica atra) – ** – ** - 100.00% – **
            • Eurasian Wigeon:Anatidae (Anas penelope) – ** – ** - 100.00% – **
              • * Removed from the susceptible population through death, destruction and/or slaughter;
              • ** Not calculated because of missing information;
  • Epidemiology
    • Source of the outbreak(s) or origin of infection
      • Unknown or inconclusive
  • Epidemiological comments
    • Tunisia is located in the main migratory corridor for wild birds going to Africa from Europe during winter migration. Migration is ongoing and this viral strain must have been carried over by migrating birds.
    • According to the OIE Terrestrial Animal Health Code, article 10.4.1, provision 8, this outbreak does not modify the sanitary status of the country as affected birds are wild and thus are not included in the OIE definition of poultry.
    • A 3-km protection zone and a 10-km surveillance zone were implemented. There is no industrial poultry farm within the protection zone, and eight broiler farms within the surveillance zone.
    • Surveillance measures strengthened within the surveillance zone and the whole country.
    • Access to Ichkeul Natural Park was suspended.
  • Control measures
    • Measures applied
      • Surveillance outside containment and/or protection zone
      • Official disposal of carcasses, by-products and waste
      • Surveillance within containment and/or protection zone
      • Control of wildlife reservoirs
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • No other measures
  • Diagnostic test results
    • Laboratory name and type - Veterinary Research Institute in Tunis ( National laboratory )
      • Tests and results: Species – Test - Test date – Result
        • Common Coot - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 30/11/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

-

Keywords: OIE; Updates; H5; Avian Influenza; Wild Birds; Tunisia.

------