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2019-6-17 5:55:10

OIE: Highly pathogenic avian influenza, Vietnam
submited by kickingbird at Dec, 27, 2018 10:9 AM from OIE

Information received on 22/12/2018 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam
Report type Follow-up report No. 5
Date of start of the event 28/07/2018
Date of confirmation of the event 30/07/2018
Report date 22/12/2018
Date submitted to OIE 22/12/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 19/03/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (03/08/2018)
Follow-up report No. 1 (21/09/2018)
Follow-up report No. 2 (18/10/2018)
Follow-up report No. 3 (02/11/2018)
Follow-up report No. 4 (05/11/2018)
Follow-up report No. 5 (22/12/2018)
New outbreaks (1)
Outbreak 1 Nhoi, Dong Hai, Tien Yen, Quang Ninh
Date of start of the outbreak 10/12/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1173 750 750 423 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1173 750 750 423 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 63.94% 63.94% 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
  • Vaccination in response to the outbreak (s)
  • Surveillance outside containment and/or protection zone
  • Stamping out
  • Disinfection
  • 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 2 (Regional Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 17/12/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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