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14 Dec 2016

Highly pathogenic #avian #influenza #H5N8, #Tunisia [subtype confirmation] (#OIE, Dec. 14 ‘16)


Title: Highly pathogenic #avian #influenza #H5N8, #Tunisia [subtype confirmation].

Subject: Avian Influenza, H5N8 subtype, epizootics in Tunisia.

Source: OIE, full page: (LINK).

Code: [     ]


Highly pathogenic avian influenza H5N8, Tunisia

Information received on 14/12/2016 from Dr Malek Zrelli, Directeur Général, Direction Générale des Services Vétérinaires, Ministère de l'Agriculture, Tunis, Tunisia

  • Summary
    • Report type Follow-up report No. 1
    • Date of start of the event 24/11/2016
    • Date of confirmation of the event 30/11/2016
    • Report date 14/12/2016
    • Date submitted to OIE 14/12/2016
    • Reason for notification First occurrence of a listed disease in the country
    • Causal agent Highly pathogenic avian influenza virus in wild birds
    • Serotype H5N8
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to a defined zone within the country
    • Related reports
      • Immediate notification (01/12/2016) / Follow-up report No. 1 (14/12/2016)
  • Outbreaks
    • There are no new outbreaks in this report
  • Epidemiology
    • Source of the outbreak(s) or origin of infection
      • Unknown or inconclusive
  • Epidemiological comments
    • The H5 sequence fragment was sent to the Reference Laboratory in Padova to identify the neuraminidase (N).
    • The Reference Laboratory confirmed that the H5 sequence fragment is directly related to highly pathogenic H5 virus sequences clade (including the H5N8 viruses currently circulating in Russia and Europe).
    • A phylogenetic analysis is on-going at the Experimental Zooprophylactic Institute (IZS), Venice (OIE Reference Laboratory).
    • The situation is stable.
  • 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
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.


Keywords: OIE; Updates; Avian Influenza, H5N8, Tunisia.