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Clade Confirmed In Tunisia

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Highly pathogenic avian influenza,
Information received on 28/12/2016 from Dr Malek Zrelli, Directeur Général, Direction Générale des Services Vétérinaires, Ministère de l'Agriculture, Tunis, Tunisia
Report type Follow-up report No. 2
Date of start of the event 24/11/2016
Date of confirmation of the event 30/11/2016
Report date 28/12/2016
Date submitted to OIE 28/12/2016
Reason for notification First occurrence of a listed disease
Manifestation of disease Clinical disease
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) 
Follow-up report No. 2 (28/12/2016) 
Outbreaks There are no new outbreaks in this report
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.

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