Highly pathogenic avian influenza,
Netherlands
Information received on 12/01/2017 from Dr Christianne Bruschke, Chief Veterinary Officer , Agriculture, Nature and Food Quality, Ministry of Agriculture, Nature and Food Quality, The Hague, Netherlands
Summary
Report type Follow-up report No. 9
Date of start of the event 08/11/2016
Date of confirmation of the event 10/11/2016
Report date 12/01/2017
Date submitted to OIE 12/01/2017
Date event resolved 16/05/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 04/2015
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus in wild birds
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (11/11/2016)
Follow-up report No. 1 (15/11/2016)
Follow-up report No. 2 (18/11/2016)
Follow-up report No. 3 (22/11/2016)
Follow-up report No. 4 (29/11/2016)
Follow-up report No. 5 (05/12/2016)
Follow-up report No. 6 (14/12/2016)
Follow-up report No. 7 (16/12/2016)
Follow-up report No. 8 (28/12/2016)
Follow-up report No. 9 (12/01/2017)
Follow-up report No. 10 (01/02/2017)
Follow-up report No. 11 (08/02/2017)
Follow-up report No. 12 (17/02/2017)
Follow-up report No. 13 (17/03/2017)
Follow-up report No. 14 (14/04/2017)
Follow-up report No. 15 (16/05/2017)
New outbreaks (2)
Outbreak 1 (HPAI CB 2016/3) Rhenen, Utrecht
Date of start of the outbreak 17/12/2016
Outbreak status Resolved (16/05/2017)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Anatidae (unidentified):Anatidae (incognita)(Anatidae) 5 5 19 0
Affected population Wild ducks
Outbreak 2 (HPAI CB 2016/4) Den Dolder, Utrecht
Date of start of the outbreak 10/01/2017
Outbreak status Resolved (16/05/2017)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Anatidae (unidentified):Anatidae (incognita)(Anatidae) 50 50 62 0
Affected population Wild birds
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Anatidae (unidentified):Anatidae (incognita)(Anatidae) 55 55 81 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Anatidae (unidentified):Anatidae (incognita)(Anatidae) ** ** 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments H5N8 was confirmed in wild birds found in Rhenen and Den Dolder
Control measures
Measures applied
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Wageningen Bioveterinary Research, Lelystad (National laboratory) Anatidae (unidentified) polymerase chain reaction (PCR) 12/01/2017 Positive
Wageningen Bioveterinary Research, Lelystad (National laboratory) Anatidae (unidentified) polymerase chain reaction (PCR) 22/12/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations