Highly pathogenic avian influenza,
Information received on 19/03/2015 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 12/03/2015
Date of confirmation of the event 14/03/2015
Report date 19/03/2015
Date submitted to OIE 19/03/2015
Date event resolved 26/05/2015
Reason for notification Recurrence of a listed disease
Date of previous occurrence 10/2014
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 (19/03/2015)
Follow-up report No. 1 (06/04/2015)
Follow-up report No. 2 (09/04/2015)
Follow-up report No. 3 (27/04/2015)
Follow-up report No. 4 (27/05/2015)
New outbreaks (1)
Outbreak 1 Thon 2, Hai Linh, Tinh Gia, Thanh Hoa
Date of start of the outbreak 12/03/2015
Outbreak status Resolved (09/04/2015)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 670 353 0 670 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 670 353 0 670 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 52.69% 0.00% 0.00% 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
Control measures
Measures applied
  • Vaccination in response to the outbreak (s)
  • Disinfection / Disinfestation
  • Stamping out
  • 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 (RAHO3) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 14/03/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations