Highly pathogenic avian influenza,
Vietnam
Information received on 10/01/2014 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 07/10/2013
Date of confirmation of the event 13/10/2013
Report date 10/01/2014
Date submitted to OIE 10/01/2014
Date event resolved 11/04/2014
Reason for notification Recurrence of a listed disease
Date of previous occurrence 24/07/2013
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (14/10/2013)
Follow-up report No. 1 (27/12/2013)
Follow-up report No. 2 (08/01/2014)
Follow-up report No. 3 (10/01/2014)
Follow-up report No. 4 (13/02/2014)
Follow-up report No. 5 (15/02/2014)
Follow-up report No. 6 (22/02/2014)
Follow-up report No. 7 (25/02/2014)
Follow-up report No. 8 (25/02/2014)
Follow-up report No. 9 (01/03/2014)
Follow-up report No. 10 (06/03/2014)
Follow-up report No. 11 (07/03/2014)
Follow-up report No. 12 (10/03/2014)
Follow-up report No. 13 (11/03/2014)
Follow-up report No. 14 (12/03/2014)
Follow-up report No. 15 (20/03/2014)
Follow-up report No. 16 (27/03/2014)
Follow-up report No. 17 (11/04/2014)
Follow-up report No. 18 (29/04/2014)
New outbreaks (4)
Outbreak 1 Hap Linh, Hap Linh, Bac Ninh city, Bac Ninh
Date of start of the outbreak 08/01/2014
Outbreak status Resolved (10/02/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1125 395 300 825 0
Outbreak 2 Dong Phong, Dong Phong, Yen Phong, Bac Ninh
Date of start of the outbreak 08/01/2014
Outbreak status Resolved (10/02/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1400 500 400 1000 0
Outbreak 3 Tam Son, Tam Son, Tu Son, Bac Ninh
Date of start of the outbreak 09/01/2014
Outbreak status Resolved (10/02/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4793 2000 1300 3493 0
Outbreak 4 Phu Lam, Phu Lam, Tien Du, Bac Ninh
Date of start of the outbreak 09/01/2014
Outbreak status Resolved (10/02/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2469 1000 600 1869 0
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 9787 3895 2600 7187 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 39.80% 26.57% 66.75% 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
  • Movement control inside the country
  • Vaccination in response to the outbreak (s)
  • Disinfection / Disinfestation
  • Stamping out
  • 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