Information received on 18/12/2020 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. 3
Date of start of the event
02/11/2020
Date of confirmation of the event
04/11/2020
Report date
18/12/2020
Date submitted to OIE
18/12/2020
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
25/05/2020
Manifestation of disease
Sub-clinical infection
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Laboratory (basic), Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (09/11/2020)
Follow-up report No. 1 (17/11/2020)
Follow-up report No. 2 (27/11/2020)
Follow-up report No. 3 (18/12/2020)
New outbreaks (5)

Outbreak 1 (20-015-00428)
Friesland, Friesland, Niedersachsen
Date of start of the outbreak
20/11/2020
Outbreak status
Resolved (16/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Anserinae (unidentified):Anserinae (incognita)(Anatidae)

4
4
0
0
Outbreak 2 (20-015-00415)
Leer, Leer, Niedersachsen
Date of start of the outbreak
29/11/2020
Outbreak status
Resolved (09/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Accipitridae (unidentified):Accipitridae (incognita)(Accipitridae)

1
1
0
0
Outbreak 3 (20-015-00436)
Stade, Stade, Niedersachsen
Date of start of the outbreak
02/12/2020
Outbreak status
Resolved (07/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Anserinae (unidentified):Anserinae (incognita)(Anatidae)

1
1
0
0
Outbreak 4 (20-015-00438)
Wittmund, Wittmund, Niedersachsen
Date of start of the outbreak
08/12/2020
Outbreak status
Resolved (11/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Anserinae (unidentified):Anserinae (incognita)(Anatidae)

1
1
0
0
Outbreak 5 (20-015-00452)
Aurich, Aurich, Niedersachsen
Date of start of the outbreak
11/12/2020
Outbreak status
Resolved (17/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Accipitridae (unidentified):Accipitridae (incognita)(Accipitridae)

1
1
0
0
Summary of outbreaks
Total outbreaks: 5
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Anserinae (unidentified):Anserinae (incognita)(Anatidae)

6
6
0
0
Accipitridae (unidentified):Accipitridae (incognita)(Accipitridae)

2
2
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Anserinae (unidentified):Anserinae (incognita)(Anatidae)
**
**
100.00%
**
Accipitridae (unidentified):Accipitridae (incognita)(Accipitridae)
**
**
100.00%
**
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive

Control measures
Measures applied
Official disposal of carcasses, by-products and waste
Control of wildlife reservoirs
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)
Accipitridae (unidentified)
polymerase chain reaction (PCR)
07/12/2020
Positive
Friedrich-Loeffler-Institut (National laboratory)
Accipitridae (unidentified)
polymerase chain reaction (PCR)
17/12/2020
Positive
Friedrich-Loeffler-Institut (National laboratory)
Anserinae (unidentified)
polymerase chain reaction (PCR)
07/12/2020
Positive
Friedrich-Loeffler-Institut (National laboratory)
Anserinae (unidentified)
polymerase chain reaction (PCR)
10/12/2020
Positive
Friedrich-Loeffler-Institut (National laboratory)
Anserinae (unidentified)
polymerase chain reaction (PCR)
11/12/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.