OIE: Highly pathogenic avian influenza(H5N8), Netherlands

OIE: Highly pathogenic avian influenza(H5N8), Netherlands
submited by kickingbird at Nov, 18, 2020 12:2 PM from OIE

Information received on 17/11/2020 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. 3
Date of start of the event	29/10/2020
Date of confirmation of the event	29/10/2020
Report date	17/11/2020
Date submitted to OIE	17/11/2020
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	10/07/2018
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 (30/10/2020) Follow-up report No. 1 (07/11/2020) Follow-up report No. 2 (13/11/2020) Follow-up report No. 3 (17/11/2020)

New outbreaks (1)

Outbreak 1

Terwolde, Gelderland

Date of start of the outbreak

12/11/2020

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	22040	5840	3840	18200	0

Affected population

On 13 November 2020, a 3 km protection zone and a 10 km surveillance zone have been established around the outbreak in Terwolde. In the 3 km zone there are four other premises with poultry. All the premises in the 3 km zone have been screened. There were no signs of possible infection. All screening test results were negative. The subtype is H5N8 and is confirmed by the national reference laboratory. All susceptible animals on the infected premises have been killed.

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	22040	5840	3840	18200	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	26.50%	17.42%	65.75%	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	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	Species	Test	Test date	Result
Wageningen Bioveterinary Research, Lelystad (National laboratory)	Birds	polymerase chain reaction (PCR)	13/11/2020	Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

See Also:

https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=36623

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