Information received on 12/02/2021 from Dr Taina Aaltonen, Chief Veterinary Officer and Deputy Director General, Ministry of Agriculture and Forestry, Ministry of Agriculture and Forestry, Helsinki, Finland
Summary
Report type
Follow-up report No. 3
Date of start of the event
15/01/2021
Date of confirmation of the event
21/01/2021
Report date
12/02/2021
Date submitted to OIE
12/02/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
09/05/2018
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (21/01/2021)
Follow-up report No. 1 (29/01/2021)
Follow-up report No. 2 (05/02/2021)
Follow-up report No. 3 (12/02/2021)
New outbreaks (1)

Outbreak 1
Helsinki, Etel?-Suomi
Date of start of the outbreak
28/01/2021
Outbreak status
Resolved (08/02/2021)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

1
1


Affected population
Mute swan found dead
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

1
1


Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae)
**
**
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
Movement control inside the country
Surveillance within containment and/or protection zone
Screening
Official disposal of carcasses, by-products and waste
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
Finnish Food Authority (National laboratory)
Mute Swan
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
03/02/2021
Positive
Finnish Food Authority (National laboratory)
Mute Swan
reverse transcription - polymerase chain reaction (RT-PCR)
05/02/2021
Positive
Finnish Food Authority (National laboratory)
Mute Swan
virus sequencing
08/02/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.