Highly pathogenic avian influenza,
Vietnam
Information received on 24/07/2015 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 18/07/2015
Date of confirmation of the event 22/07/2015
Report date 24/07/2015
Date submitted to OIE 24/07/2015
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 Phu Quoi, Phu Quoi, Long Ho, VINH LONG
Date of start of the outbreak 18/07/2015
Outbreak status Resolved (01/09/2015)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 300 300 117 183 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 300 300 117 183 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 39.00% 39.00% 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
  • Disinfection / Disinfestation
  • Surveillance outside containment and/or protection zone
  • 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
Regional Animal Health Office (RAHO7) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 22/07/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations