Highly pathogenic avian influenza,
Vietnam
Information received on 02/10/2016 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 Immediate notification
Date of start of the event 25/09/2016
Date of confirmation of the event 28/09/2016
Report date 02/10/2016
Date submitted to OIE 02/10/2016
Date event resolved 19/10/2016
Reason for notification Recurrence of a listed disease
Date of previous occurrence 23/05/2016
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (02/10/2016)
Follow-up report No. 1 (25/10/2016)
New outbreaks (1)
Outbreak 1 Khanh Binh Dong, Khanh Binh Dong, Tran Van Thoi, Ca Mau
Date of start of the outbreak 25/09/2016
Outbreak status Resolved (19/10/2016)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 800 500 300 500 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 800 500 300 500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 62.50% 37.50% 60.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
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
  • Surveillance within containment and/or protection zone
  • 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 7 (Regional Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 28/09/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations