Information received on 15/02/2021 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. 2
Date of start of the event
16/10/2020
Date of confirmation of the event
27/10/2020
Report date
15/02/2021
Date submitted to OIE
15/02/2021
Reason for notification
New strain of a listed disease in the country
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Clinical, Laboratory (advanced)
This event pertains to
the whole country
Related reports
Immediate notification (07/11/2020)
Follow-up report No. 1 (23/12/2020)
Follow-up report No. 2 (15/02/2021)
New outbreaks (1)

Outbreak 1
Zaandam, Noord-Holland
Date of start of the outbreak
31/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Other
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae)
71
2
2
69
0
Affected population
Two captive birds tested positive for highly pathogenic avian influenza subtype H5N8.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae)
71
2
2
69
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Phasianidae (unidentified):Phasianidae (incognita)(Phasianidae)
2.82%
2.82%
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

Control measures
Measures applied
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)
Phasianidae (unidentified)
polymerase chain reaction (PCR)
05/02/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.