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2021-1-20 3:22:31


OIE: Highly pathogenic avian influenza(H5N8), Netherlands
submited by kickingbird at Dec, 1, 2020 20:41 PM from OIE

Information received on 27/11/2020 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. 4
Date of start of the event
29/10/2020
Date of confirmation of the event
29/10/2020
Report date
27/11/2020
Date submitted to OIE
27/11/2020
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
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)
Follow-up report No. 4 (27/11/2020)
New outbreaks (2)

Outbreak 1
Witmarsum, Friesland
Date of start of the outbreak
20/11/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
89366
2055
230
89136
0
Affected population
On 21 november 2020, a 3 km protection zone and a 10 km surveillance zone have been established around the outbreak Witmarsum. In the 3 km zone there are three other premises with poultry. All premises in the 3 km zone have been screened. There were no signs of possible infection. All test results of the screening were tested negative. The subtype is HPAI H5N8 and is confirmed by the national reference laboratory. All susceptible animals on the infected premises have been killed.
Outbreak 2
Hekendorp, Zuid-Holland
Date of start of the outbreak
21/11/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
120242
2050
100
120142
0
Affected population
On 22 november 2020, a 3 km protection zone and a 10 km surveillance zone have been established around the outbreak Hekendorp. In the 3 km zone there are no other premises with poultry. The subtype is HPAI H5N8 and is confirmed by the national reference laboratory. All susceptible animals on the infected premises have been killed.
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
209608
4105
330
209278
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
1.96%
0.16%
8.04%
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)
22/11/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
See Also: Latest news in those days:

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