Highly pathogenic avian influenza,
Vietnam
Information received on 11/01/2016 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 Follow-up report No. 25
Date of start of the event 18/08/2015
Date of confirmation of the event 19/08/2015
Report date 11/01/2016
Date submitted to OIE 11/01/2016
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 (2)
Outbreak 1 Tra Binh, Tinh Tra, Son Tinh, QUANG NGAI
Date of start of the outbreak 05/01/2016
Outbreak status Resolved (28/01/2016)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1000 454 454 546 0
Outbreak 2 Dak Kan, Dak Kan, Ngoc Hoi, KON TUM
Date of start of the outbreak 06/01/2016
Outbreak status Resolved (31/01/2016)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 824 600 600 224 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1824 1054 1054 770 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 57.79% 57.79% 100.00% 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
  • Stamping out
  • Disinfection / Disinfestation
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations