Highly pathogenic avian influenza,
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
Date event resolved 05/04/2017
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)
Follow-up report No. 2 (28/12/2016)
Follow-up report No. 3 (11/01/2017)
Follow-up report No. 4 (03/02/2017)
Follow-up report No. 5 (20/02/2017)
Follow-up report No. 6 (12/04/2017)
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 2.3.4.4 (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
  • Control of wildlife reservoirs
  • Surveillance within containment and/or protection zone
  • Official disposal of carcasses, by-products and waste
  • Surveillance outside containment and/or protection zone
  • 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.