Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Switzerland
Information received on 11/09/2017 from Mr Hans Wyss, Chief Veterinary Officer, Schwarzenburgstrasse 161, Swiss Federal Veterinary Office, LIEBEFELD BERNE, Switzerland
Summary
Report type Follow-up report No. 2
Date of start of the event 10/08/2017
Date of confirmation of the event 17/08/2017
Report date 11/09/2017
Date submitted to OIE 11/09/2017
Date event resolved 29/12/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 22/03/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to the whole country
Related reports Immediate notification (17/08/2017)
Follow-up report No. 1 (30/08/2017)
Follow-up report No. 2 (11/09/2017)
Follow-up report No. 3 (22/09/2017)
Follow-up report No. 4 (20/10/2017)
Follow-up report No. 5 (11/09/2018)
New outbreaks (3)
Outbreak 1 (HPAI_2017_1) Lac de Pérolles, Fribourg, Fribourg, Fribourg
Date of start of the outbreak 25/08/2017
Outbreak status Resolved (31/08/2017)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 2 2 0 0
Outbreak 2 (HPAI_2017_1) Lac Léman, Port Valais, Le Bouveret, Valais
Date of start of the outbreak 25/08/2017
Outbreak status Resolved (31/08/2017)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Outbreak 3 (HPAI_2017_1) Lac Léman, Port-Valais, Le Bouveret, Valais
Date of start of the outbreak 07/09/2017
Outbreak status Resolved (08/09/2017)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mallard:Anas platyrhynchos(Anatidae) 2 2 0 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 3 3 0 0
Mallard:Anas platyrhynchos(Anatidae) 2 2 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
Mallard:Anas platyrhynchos(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
  • Surveillance within containment and/or protection zone
  • Zoning
  • 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
National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) Mallard reverse transcription - polymerase chain reaction (RT-PCR) 08/09/2017 Positive
National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 31/08/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations