Highly pathogenic avian influenza,
Information received on 06/08/2018 from Dr Quaza Nizamuddin Bin Hassan Nizam, Director General of Veterinary Services, Department of veterinary services , Director General Office, Putrajaya, Malaysia
Report type Immediate notification
Date of start of the event 27/07/2018
Date of confirmation of the event 30/07/2018
Report date 05/08/2018
Date submitted to OIE 06/08/2018
Date event resolved 15/09/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 01/04/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (05/08/2018)
Follow-up report No. 1 (18/08/2018)
Follow-up report No. 2 (25/08/2018)
Follow-up report No. 3 (02/09/2018)
Follow-up report No. 4 (17/12/2018)
New outbreaks (1)
Outbreak 1 (Sabah_HPAI_2018/01) Kampung Kauluan, Tamparuli, Tuaran, Sabah
Date of start of the outbreak 27/07/2018
Outbreak status Resolved (15/09/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 28000 3000 3000 25000 0
Affected population The affected population is flocks of layer chickens in one farm.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 28000 3000 3000 25000 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 10.71% 10.71% 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
Epidemiological comments The report of high mortality of layer chickens was received by Sabah Department of Veterinary Services on 27 July 2018. Investigation and sampling were carried out on the same day. Movement of animals and animal products was banned on the same day. Upon confirmation of the laboratory of the samples positive for HPAI (H5N1), stamping out of the flock was carried out and the carcasses were officially disposed of. This is the first occurrence of HPAI in Sabah state. Sabah is a state of Malaysia located at East Malaysia, on the island of Borneo. Sabah and Peninsular Malaysia are separated by the South China Sea.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • 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
Sabah Veterinary Laboratory (Regional Reference Laboratory) Birds polymerase chain reaction (PCR) 30/07/2018 Positive
Veterinary Research Institute Ipoh Perak (Regional Reference Laboratory) Birds inoculation test 05/08/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations