Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Ireland
Information received on 23/12/2020 from Dr Martin Blake, Chief Veterinary Officer, Department of Agriculture, Food and the Marine, Agriculture House, Dublin, Ireland
Summary
Report type Follow-up report No. 4
Date of start of the event 29/10/2020
Date of confirmation of the event 10/11/2020
Report date 23/12/2020
Date submitted to OIE 23/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 06/03/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (10/11/2020)
Follow-up report No. 1 (10/12/2020)
Follow-up report No. 2 (12/12/2020)
Follow-up report No. 3 (13/12/2020)
Follow-up report No. 4 (23/12/2020)
Follow-up report No. 5 (08/01/2021)
New outbreaks (6)
Outbreak 1 Kilcoole Beach, Co. Wicklow, Wicklow
Date of start of the outbreak 15/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Affected population On December 15th 2020, a whooper swan (Cygnus Cygnus) was found sick on a beach on the east coast of the country and died a short time later. It was submitted to the Regional Veterinary Laboratory for avian influenza testing.
Outbreak cluster 2 Ballyderown, Kilworth, Co. Cork, Cork (4 outbreaks)
Date of start of the outbreak 15/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 5 5 0 0
Affected population On December 15th 2020, a whooper swan (Cygnus Cygnus)was found dead in an area near a river. On December 16th, 2 whooper swans were found dead in the same area. On December 18th 2020 a further whooper swan was found dead in the same area, with a fifth whooper swan found dead in the are on December 21st 2020. All were submitted to the Regional Veterinary Laboratory for avian influenza testing.
Outbreak 3 Ballybay Wetlands, Monaghan
Date of start of the outbreak 16/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Phalacrocoracidae (unidentified):Phalacrocoracidae (incognita)(Phalacrocoracidae) 1 1 0 0
Affected population On December 16th 2020, a cormorant and a mute swan were found dead in an area known to be frequented by migratory birds.
Summary of outbreaks Total outbreaks: 6
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 6 6 0 0
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Phalacrocoracidae (unidentified):Phalacrocoracidae (incognita)(Phalacrocoracidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Whooper Swan:Cygnus cygnus(Anatidae) ** ** 100.00% **
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
Phalacrocoracidae (unidentified):Phalacrocoracidae (incognita)(Phalacrocoracidae) ** ** 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
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations