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2024-3-28 17:09:22


OIE: Highly pathogenic avian influenza, Tunisia
submited by kickingbird at Dec, 2, 2016 9:25 AM from OIE

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

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