Highly pathogenic avian influenza,
Information received on 24/02/2018 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 19/02/2018
Date of confirmation of the event 22/02/2018
Report date 24/02/2018
Date submitted to OIE 24/02/2018
Date event resolved 19/03/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 23/10/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (24/02/2018)
Follow-up report No. 1 (19/06/2018)
New outbreaks (1)
Outbreak 1 Dai Ban, Dai Ban, An Duong, Hai Phong
Date of start of the outbreak 19/02/2018
Outbreak status Resolved (19/03/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3200 2200 1200 2000 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3200 2200 1200 2000 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 68.75% 37.50% 54.55% 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
  • Disinfection
  • Stamping out
  • Surveillance outside containment and/or protection zone
  • Vaccination in response to the outbreak (s)
  • 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 2 (Regional Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 22/02/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations