OIE: Highly pathogenic avian influenza, Saudi Arabia

Information received on 19/11/2007 from Mr Abdulghani Y. M. Al Fadhl, Director General, Animal and Plant Quarantine Department, Ministry of Agriculture, RIYADH, Saudi Arabia

Summary

Report type Immediate notification
Start date 12/11/2007
Date of confirmation of event 13/11/2007
Report date 19/11/2007
Date submitted to OIE 19/11/2007
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 27/03/2007
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: 4
Outbreak Location
  • AR RIYAD (Hiathem; Dhurma; Al-Muzahmiyah; Al-Kharj)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 50000 1500 1500 220500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible removed*
Birds 3.00% 3.00% 100.00% 444.00%
* Removed from the susceptible population either through death, destruction or slaughter

Epidemiology

Source of infection
  • Unknown or inconclusive

Control measures

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

Diagnostic test results

Laboratory name and type National Veterinary Diagnostic Laboratory, Riyadh (National laboratory)
Tests and results
Species Test Test date Result
Birds haemagglutination (HA) test 15/11/2007 Positive
Birds haemagglutination inhibition test (HIT) 15/11/2007 Positive
Birds reverse transcription – polymerase chain reaction (RT-PCR) 13/11/2007 Positive