Highly pathogenic avian influenza,
Information received on 28/08/2017 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hanoļ, Vietnam
Report type Immediate notification
Date of start of the event 24/08/2017
Date of confirmation of the event 27/08/2017
Report date 28/08/2017
Date submitted to OIE 28/08/2017
Date event resolved 24/09/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 25/07/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (28/08/2017)
Follow-up report No. 1 (04/10/2017)
New outbreaks (1)
Outbreak 1 Ninh Loi, Ninh Quoi A, Hong Dan, Bac Lieu
Date of start of the outbreak 24/08/2017
Outbreak status Resolved (24/09/2017)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3200 2600 600 2600 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3200 2600 600 2600 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 81.25% 18.75% 23.08% 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
  • Vaccination in response to the outbreak (s)
  • Surveillance outside containment and/or protection zone
  • Stamping out
  • Disinfection
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Regional Animal Health Office No.7 (RAHO7) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 27/08/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations