Information received on 22/12/2020 from Dr Dietrich Rassow, Director for Animal Health and Animal Welfare, Chief Veterinary Officer, Directorate of Animal Health and Animal Welfare, Federal Ministry of Food and Agriculture, Berlin, Germany
Summary
Report type
Follow-up report No. 1
Date of start of the event
16/11/2020
Date of confirmation of the event
17/11/2020
Report date
22/12/2020
Date submitted to OIE
22/12/2020
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
13/05/2020
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (18/11/2020)
Follow-up report No. 1 (22/12/2020)
New outbreaks (2)

Outbreak 1 (20-015-00499)
Cloppenburg, Cloppenburg, Niedersachsen
Date of start of the outbreak
20/12/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
16300
5600
200
0
0
Affected population
turkeys
Outbreak 2 (20-015-00507)
Prinzh?fte, Oldenburg, Niedersachsen
Date of start of the outbreak
21/12/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
13000
380
80
12920
0
Affected population
turkeys
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
29300
5980
280
12920
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
20.41%
0.96%
4.68%
45.05%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive
Epidemiological comments
Restriction zones have been established. An epidemiological investigation is ongoing.

Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Screening
Traceability
Official destruction of animal products
Official disposal of carcasses, by-products and waste
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
Friedrich-Loeffler-Institut (National laboratory)
Birds
polymerase chain reaction (PCR)
21/12/2020
Positive
Friedrich-Loeffler-Institut (National laboratory)
Birds
polymerase chain reaction (PCR)
22/12/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.