OIE; Highly pathogenic avian influenza, Vietnam

Information received on 28/03/2017 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam
Summary
Report type Follow-up report No. 7
Date of start of the event 14/02/2017
Date of confirmation of the event 15/02/2017
Report date 28/03/2017
Date submitted to OIE 28/03/2017
Reason for notification Reoccurrence 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)
New outbreaks (2)
Outbreak 1 Dong Thanh, Dong Thanh, Binh Minh, VINH LONG
Date of start of the outbreak 19/03/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 400 300 200 200 0
Outbreak 2 Khoi 8, Dai Nai, Ha Tinh city, HA TINH
Date of start of the outbreak 21/03/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1698 50 50 1648 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 2098 350 250 1848 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 16.68% 11.92% 71.43% 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)
  • Disinfection / Disinfestation
  • Stamping out
  • Surveillance within containment and/or protection zone
  • 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.