OIE: Highly pathogenic avian influenza(H5N1), Vietnam

Summary
Report type Follow-up report No. 15
Date of start of the event 14/02/2017
Date of confirmation of the event 15/02/2017
Report date 15/05/2017
Date submitted to OIE 15/05/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 10/2016
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (19/02/2017)
Follow-up report No. 1 (21/02/2017)
Follow-up report No. 2 (23/02/2017)
Follow-up report No. 3 (09/03/2017)
Follow-up report No. 4 (12/03/2017)
Follow-up report No. 5 (22/03/2017)
Follow-up report No. 6 (25/03/2017)
Follow-up report No. 7 (28/03/2017)
Follow-up report No. 8 (07/04/2017)
Follow-up report No. 9 (14/04/2017)
Follow-up report No. 10 (19/04/2017)
Follow-up report No. 11 (26/04/2017)
Follow-up report No. 12 (27/04/2017)
Follow-up report No. 13 (02/05/2017)
Follow-up report No. 14 (04/05/2017)
Follow-up report No. 15 (15/05/2017)
New outbreaks (3)
Outbreak 1 Ea Rok, Ea Rok, Ea Sup, DAK LAK
Date of start of the outbreak 29/04/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1607 500 200 1407 0
Outbreak 2 Duc Xuyen, Duc Xuyen, Krong No, DAK NONG
Date of start of the outbreak 03/05/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1800 500 250 1550 0
Outbreak 3 Ea Tmot, Ea Tmot, Ea Sup, DAK LAK
Date of start of the outbreak 04/05/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 600 200 100 500 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4007 1200 550 3457 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 29.95% 13.73% 45.83% 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
  • Vaccination in response to the outbreak (s)
  • Stamping out
  • Disinfection
  • 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.