Highly pathogenic avian influenza,
Information received on 19/08/2015 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. 2
Date of start of the event 18/07/2015
Date of confirmation of the event 22/07/2015
Report date 19/08/2015
Date submitted to OIE 19/08/2015
Date event resolved 27/10/2015
Reason for notification Recurrence of a listed disease
Date of previous occurrence 24/06/2015
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 (24/07/2015)
Follow-up report No. 1 (11/08/2015)
Follow-up report No. 2 (19/08/2015)
Follow-up report No. 3 (31/08/2015)
Follow-up report No. 4 (01/09/2015)
Follow-up report No. 5 (11/09/2015)
Follow-up report No. 6 (22/09/2015)
Follow-up report No. 7 (03/10/2015)
Follow-up report No. 8 (10/10/2015)
Follow-up report No. 9 (13/10/2015)
Follow-up report No. 10 (28/10/2015)
New outbreaks (1)
Outbreak 1 Tham Don, Tham Don, My Xuyen, Soc Trang
Date of start of the outbreak 16/08/2015
Outbreak status Resolved (07/09/2015)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 114 114 102 12 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 114 114 102 12 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 89.47% 89.47% 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
  • Modified stamping out
  • Surveillance outside containment and/or protection zone
  • Disinfection / Disinfestation
  • 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