Highly pathogenic avian influenza,
Saudi Arabia
Information received on 04/02/2020 from Dr Sanad Alharbi, Director , Livestock Risk Assessment Department, Ministry of Environment, Water and Agriculture, Riyadh, Saudi Arabia
Report type Immediate notification
Date of start of the event 30/01/2020
Date of confirmation of the event 31/01/2020
Report date 04/02/2020
Date submitted to OIE 04/02/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 22/07/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Sudair, Sudair, Riyadh, Ar Riyad
Date of start of the outbreak 30/01/2020
Outbreak status Resolved (03/02/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 408000 22700 22700 385300 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 408000 22700 22700 385300 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 5.56% 5.56% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Veterinary Diagnostic Laboratory, Riyadh (National laboratory) Birds real-time PCR 31/01/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.