Highly pathogenic avian influenza,
Vietnam
Information received on 20/08/2015 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 18/08/2015
Date of confirmation of the event 19/08/2015
Report date 20/08/2015
Date submitted to OIE 20/08/2015
Date event resolved 11/03/2016
Reason for notification Recurrence of a listed disease
Date of previous occurrence 08/2015
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 (20/08/2015)
Follow-up report No. 1 (31/08/2015)
Follow-up report No. 2 (11/09/2015)
Follow-up report No. 3 (14/09/2015)
Follow-up report No. 4 (30/09/2015)
Follow-up report No. 5 (03/10/2015)
Follow-up report No. 6 (13/10/2015)
Follow-up report No. 7 (13/10/2015)
Follow-up report No. 8 (20/10/2015)
Follow-up report No. 9 (24/10/2015)
Follow-up report No. 10 (27/10/2015)
Follow-up report No. 11 (28/10/2015)
Follow-up report No. 12 (02/11/2015)
Follow-up report No. 13 (03/11/2015)
Follow-up report No. 14 (13/11/2015)
Follow-up report No. 15 (17/11/2015)
Follow-up report No. 16 (23/11/2015)
Follow-up report No. 17 (28/11/2015)
Follow-up report No. 18 (30/11/2015)
Follow-up report No. 19 (07/12/2015)
Follow-up report No. 20 (10/12/2015)
Follow-up report No. 21 (10/12/2015)
Follow-up report No. 22 (13/12/2015)
Follow-up report No. 23 (23/12/2015)
Follow-up report No. 24 (06/01/2016)
Follow-up report No. 25 (11/01/2016)
Follow-up report No. 26 (14/01/2016)
Follow-up report No. 27 (15/01/2016)
Follow-up report No. 28 (19/01/2016)
Follow-up report No. 29 (28/01/2016)
Follow-up report No. 30 (16/02/2016)
Follow-up report No. 31 (27/04/2016)
Follow-up report No. 32 (10/06/2016)
New outbreaks (1)
Outbreak 1 Xuan Giao, Xuan Giao, Bao Thang, LAO CAI
Date of start of the outbreak 18/08/2015
Outbreak status Resolved (09/09/2015)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 700 700 200 500 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 700 700 200 500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 28.57% 28.57% 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
  • Disinfection / Disinfestation
  • Surveillance outside containment and/or protection zone
  • Modified 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
National Centre for Veterinary Diagnosis (NCVD) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 19/08/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations