Summary
Report type: immediate notification
Started: 16 Apr 2021
Confirmed: 26 Apr 2021
Reported: 4 Jun 2021
Reason for notification: new strain in a zone or a compartment
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N4
Nature of diagnosis: laboratory
This event pertains to a defined zone within the country.

New outbreaks (1)
Summary of outbreaks
Total outbreaks (1)
Outbreak location 1: Landkreis Verden, Verden, Niedersachsen [Lower
Saxony]
Started: 16 Apr 2021
Ended: 26 Apr 2021
Epidemiological unit: not applicable
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Cygnus (unidentified) (_Cygnus_ (incognita)): Anatidae-Anseriformes /
- / 1 / 1 / 0 / 0 / 0

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

Control measures at event level
Domestic control measures applied: control of wildlife reservoirs
Domestic and 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
Friedrich-Loeffler Institute National Laboratory / Accipitridae
(unidentified) / Cygnus (unidentified) / 1 / polymerase chain reaction
(PCR) / 26 Apr 2021 / positive