Highly pathogenic avian influenza,
Vietnam
Information received on 16/10/2019 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hanoļ, Vietnam
Summary
Report type Follow-up report No. 3
Date of start of the event 23/06/2019
Date of confirmation of the event 25/06/2019
Report date 16/10/2019
Date submitted to OIE 16/10/2019
Date event resolved 15/11/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 11/03/2019
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 (03/07/2019)
Follow-up report No. 1 (08/08/2019)
Follow-up report No. 2 (08/09/2019)
Follow-up report No. 3 (16/10/2019)
Follow-up report No. 4 (01/12/2019)
New outbreaks (1)
Outbreak 1 Dak Kan, Dak Kan, Ngoc Hoi, Kon Tum
Date of start of the outbreak 15/10/2019
Outbreak status Resolved (15/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 980 980 980 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 980 980 980 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% ** ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
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 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 (RAHO5) (Regional Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 16/10/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations