OIE: Highly pathogenic avian influenza, Cote D´Ivoire

Information received on 16/10/2009 from Dr Kanga Kouame, Directeur des Services Vétérinaires et de la Qualité, -, Ministère de la Production Animale et des Ressources Halieutiques, Abidjan, Cote D´Ivoire

Summary

Report type Immediate notification
Start date 06/10/2009
Date of first confirmation of the event 10/10/2009
Report date 16/10/2009
Date submitted to OIE 16/10/2009
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 01/2007
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country

New outbreaks

Summary of outbreaks Total outbreaks: 1
Location(s)
  • ABIDJAN (Cocody township, Abidjan)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Wild species 2000 30 30 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Wild species 1.50% 1.50% 100.00% 1.50%

* Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The diagnosis was made on Corvus albicollis (white-necked ravens) that died suddenly while they were flying over the Secondary school located at Cocody in Abidjan. Nine birds were found positive. The school was closed for 3 days. The staff having handled the birds is under medical supervision.
The site and its surroundings have been completely disinfected using Virkon.
A surveillance zone was established within a 2km radius around the point where the birds fell.

Control measures

Measures applied
  • Control of wildlife reservoirs
  • Screening
  • Disinfection of infected premises/establishment(s)
  • Dipping / Spraying
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results

Laboratory name and type Central Laboratory of Animal Pathology, Bingerville (National laboratory)
Tests and results
Species Test Test date Result
Wild species polymerase chain reaction (PCR) 10/10/2009 Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.