Summary
Report type: immediate notification
Started: 25 Oct 2021
Confirmed: 29 Oct 2021
Reported: 5 Nov 2021
Reason for notification: recurrence
Last occurrence: 7 Jul 2021
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to a defined zone within the country.

Outbreak location: Scharwoude, Wester-Koggenland, Noord-Holland [North
Holland]
Started: 26 Oct 2021
Epidemiological unit: other
Animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Phasianidae (unidentified) (Phasianidae (incognita)):
Phasianidae-Galliformes / - / 5 / 5 / 0 / 0 / 0
Affected population: 5 birds were found dead in a wetland area.

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Control measures at event level
Wild control measures applied: official disposal of carcasses,
by-products, and waste; control of wildlife reservoirs

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
Wageningen Bioveterinary Research, Lelystad (national laboratory) /
Phasianidae (unidentified) / 1 / real-time polymerase chain reaction
(real-time PCR) / 29 Oct 2021 / positive