OIE: Highly pathogenic avian influenza, Poland

Information received on 03/12/2007 from Dr Ewa Lech, Chief Veterinary Officer, General Veterinary Inspectorate, Warszawa, Poland

Summary

Report type Immediate notification
Start date 30/11/2007
Date of confirmation of event 01/12/2007
Report date 03/12/2007
Date submitted to OIE 03/12/2007
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 07/05/2006
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (advanced)
Report pertains to Entire country

New outbreaks

Summary of outbreaks Total outbreaks: 2
Outbreak Location
  • MAZOWIECKIE (Mysliborzyce, Plock; Uniejow, Plock)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 4605 4245 360 4245 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible removed*
Birds 92.18% 7.82% 8.48% 100.00%
* Removed from the susceptible population either through death, destruction or slaughter
Description of Affected Population 12-week-old turkeys

Epidemiology

Source of infection
  • Unknown or inconclusive
  • Contact with wild Species
Epidemiological comments Following the suspicion of highly pathogenic avian influenza, samples were taken from ten turkeys (five samples per flock).

Control measures

Measures already applied
  • Stamping out
  • Movement control inside the country
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • None specified

Diagnostic test results

Laboratory name and type National Veterinary Research Institute, Pulawy (National laboratory)
Tests and results
Species Test Test date Result
Birds reverse transcription – polymerase chain reaction (RT-PCR) 01/12/2007 Positive
Birds virus isolation Pending