Highly pathogenic avian influenza,
Vietnam
Information received on 12/12/2014 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 Immediate notification
Date of start of the event 29/11/2014
Date of confirmation of the event 01/12/2014
Report date 12/12/2014
Date submitted to OIE 12/12/2014
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 H5
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 (3)
Outbreak 1 Hoa Binh, Hoa Binh, Tra On, VINH LONG
Date of start of the outbreak 29/11/2014
Outbreak status Resolved (24/12/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 280 160 160 120 0
Outbreak 2 Phong Phu, Phong Phu, Cau Ke, TRA VINH
Date of start of the outbreak 02/12/2014
Outbreak status Resolved (25/12/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 177 177 100 77 0
Outbreak 3 Thanh Hoa Son, Thanh Hoa Son, Cau Ngang, TRA VINH
Date of start of the outbreak 05/12/2014
Outbreak status Resolved (25/12/2014)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 750 650 500 250 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1207 987 760 447 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 81.77% 62.97% 77.00% 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
  • 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 reverse transcription - polymerase chain reaction (RT-PCR) 01/12/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations