Highly pathogenic avian influenza,
Netherlands
Information received on 28/12/2016 from Dr Christianne Bruschke, Chief Veterinary Officer , Ministry of Economic Affairs, Ministry of Economic Affairs, The Hague, Netherlands
Summary
Report type Follow-up report No. 4
Date of start of the event 25/11/2016
Date of confirmation of the event 26/11/2016
Report date 28/12/2016
Date submitted to OIE 28/12/2016
Date event resolved 17/02/2017
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
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (28/11/2016)
Follow-up report No. 1 (05/12/2016)
Follow-up report No. 2 (14/12/2016)
Follow-up report No. 3 (19/12/2016)
Follow-up report No. 4 (28/12/2016)
Follow-up report No. 5 (13/01/2017)
Follow-up report No. 6 (17/02/2017)
Follow-up report No. 7 (16/05/2017)
New outbreaks (3)
Outbreak 1 (HPAI 2016/07 P) Boven Leeuwen, GELDERLAND
Date of start of the outbreak 19/12/2016
Outbreak status Resolved (27/01/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 48082 240 240 47842 0
Affected population Breeding parent flock
Outbreak 2 (HPAI 2016/8 P) Stolwijk, ZUID-HOLLAND
Date of start of the outbreak 21/12/2016
Outbreak status Resolved (27/01/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 6594 39 39 6555 0
Affected population Laying hens
Outbreak 3 (HPAI 2016/9 P) Zoeterwoude, ZUID-HOLLAND
Date of start of the outbreak 24/12/2016
Outbreak status Resolved (09/02/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 27000 869 869 26131 0
Affected population Laying hens holding
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 81676 1148 1148 80528 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.41% 1.41% 100.00% 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
Epidemiological comments Boven Leeuwen: On 20 December 2016, a 3-km surveillance and a 10-km protection zones have been established. In the 3-km zone there are nine other premises. All susceptible animals on the infected premises have been killed. All premises in the 3-km zone have been screened. All samples of the screened premises were tested negative. Stolwijk: On 22 December 2016, a 3-km surveillance and a 10-km protection zones have been established. In the 3-km zone there is one other premise. All susceptible animals on the infected premise have been killed. All premises in the 3-km zone have been screened. All samples of the screened premises were tested negative. Zoeterwoude: On 25 December 2016, a 3-km surveillance and a 10-km protection zones have been established. In the 3-km zone there are two other premises. All susceptible animals on the infected premises have been killed. All premises in the 3-km zone have been screened. All samples of the screened premises were tested negative.
Control measures
Measures applied
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
  • 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) Birds polymerase chain reaction (PCR) 21/12/2016 Positive
Wageningen Bioveterinary Research, Lelystad (National laboratory) Birds polymerase chain reaction (PCR) 21/12/2016 Positive
Wageningen Bioveterinary Research, Lelystad (National laboratory) Birds polymerase chain reaction (PCR) 23/12/2016 Positive
Wageningen Bioveterinary Research, Lelystad (National laboratory) Birds polymerase chain reaction (PCR) 27/12/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations