Highly pathogenic avian influenza,
Information received on 12/03/2019 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 11/02/2019
Date of confirmation of the event 27/02/2019
Report date 12/03/2019
Date submitted to OIE 12/03/2019
Date event resolved 11/03/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 10/01/2019
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (12/03/2019)
Follow-up report No. 1 (14/05/2019)
New outbreaks (1)
Outbreak 1 Tien Tho, Tien Tho, Tien Phuoc, Quang Nam
Date of start of the outbreak 11/02/2019
Outbreak status Resolved (11/03/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3800 1350 3800 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3800 1350 3800 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 35.53% ** ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Stamping out
  • Vaccination permitted (if a vaccine exists)
  • 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 4 (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 27/02/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations