Highly pathogenic avian influenza,
Information received on 25/02/2015 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hanoļ, Vietnam
Report type Follow-up report No. 5
Date of start of the event 29/11/2014
Date of confirmation of the event 01/12/2014
Report date 25/02/2015
Date submitted to OIE 25/02/2015
Date event resolved 11/06/2015
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 H5N1
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (12/12/2014)
Follow-up report No. 1 (22/12/2014)
Follow-up report No. 2 (25/12/2014)
Follow-up report No. 3 (09/01/2015)
Follow-up report No. 4 (03/02/2015)
Follow-up report No. 5 (25/02/2015)
Follow-up report No. 6 (16/03/2015)
Follow-up report No. 7 (17/03/2015)
Follow-up report No. 8 (09/04/2015)
Follow-up report No. 9 (17/05/2015)
Follow-up report No. 10 (22/05/2015)
Follow-up report No. 11 (04/06/2015)
Follow-up report No. 12 (11/06/2015)
New outbreaks (1)
Outbreak 1 Ap 1, Dai Hai, Ke Sach, Soc Trang
Date of start of the outbreak 23/02/2015
Outbreak status Resolved (17/03/2015)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1100 100 100 1000 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1100 100 100 1000 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 9.09% 9.09% 100.00% 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
  • Disinfection / Disinfestation
  • Stamping out
  • 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