OIE: Highly pathogenic avian influenza, Netherlands

Information received on 27/02/2018 from Dr Christianne Bruschke, Chief Veterinary Officer , Ministry of Economic Affairs, Ministry of Economic Affairs, The Hague, Netherlands

Summary

Report type

Immediate notification

Date of start of the event

24/02/2018

Date of confirmation of the event

26/02/2018

Report date

27/02/2018

Date submitted to OIE

27/02/2018

Reason for notification

Recurrence of a listed disease

Date of previous occurrence

08/12/2017

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N6

Nature of diagnosis

Clinical, Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • GRONINGEN ( Olderkerk )

Total animals affected

Species

Susceptible

Cases

Deaths

Killed and disposed of

Slaughtered

Birds

37866

**

230

37636

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

**

0.61%

**

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

On 25 February 2018, a 3 km surveillance zone and a 10 km protection zone have been established. In the 3 km zone there are three 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 tested negative. This H5N6 subtype is a reassortment linked to H5N8 and not the Asian zoonotic H5N6.

Control measures

Measures applied

  • Movement control inside the country
  • Screening
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals

Measures to be applied

  • No other measures

Diagnostic test results

Laboratory name and type

Wageningen Bioveterinary Research, Lelystad ( National laboratory )

Tests and results

Species

Test

Test date

Result

Birds

polymerase chain reaction (PCR)

26/02/2018

Positive

Future Reporting