Highly pathogenic avian influenza,
Information received on 21/11/2014 from Dr Christianne Bruschke, Chief Veterinary Officer , Agriculture, Nature and Food Quality, Ministry of Agriculture, Nature and Food Quality, The Hague, Netherlands
Report type Follow-up report No. 1
Date of start of the event 14/11/2014
Date of confirmation of the event 16/11/2014
Report date 21/11/2014
Date submitted to OIE 21/11/2014
Date event resolved 29/04/2015
Reason for notification Recurrence of a listed disease
Date of previous occurrence 2003
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (16/11/2014)
Follow-up report No. 1 (21/11/2014)
Follow-up report No. 2 (22/11/2014)
Follow-up report No. 3 (03/12/2014)
Follow-up report No. 4 (02/02/2015)
Follow-up report No. 5 (29/04/2015)
New outbreaks (1)
Outbreak 1 (HPAI 2014-02) Ter Aar, Zuid-Holland
Date of start of the outbreak 19/11/2014
Outbreak status Resolved (29/04/2015)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 43000 100 100 42900 0
Affected population Layer hens
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 43000 100 100 42900 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.23% 0.23% 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
Epidemiological comments On 20 November 2014, a 10 km surveillance zone has been established. In this 10 km zone there are no other premises. All susceptible animals on the infected premise have been killed.
Control measures
Measures applied
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
Diagnostic test results
Laboratory name and type Species Test Test date Result
Central Veterinary Institute (CVI), Lelystad (National laboratory) Birds polymerase chain reaction (PCR) 21/11/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations