Highly pathogenic avian influenza,
Switzerland
Information received on 10/11/2016 from Mr Hans Wyss, Chief Veterinary Officer, Schwarzenburgstrasse 161, Swiss Federal Veterinary Office, LIEBEFELD BERNE, Switzerland
Summary
Report type Immediate notification
Date of start of the event 05/11/2016
Date of confirmation of the event 09/11/2016
Report date 10/11/2016
Date submitted to OIE 10/11/2016
Date event resolved 22/03/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 02/2008
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (10/11/2016)
Follow-up report No. 1 (16/11/2016)
Follow-up report No. 2 (22/11/2016)
Follow-up report No. 3 (29/11/2016)
Follow-up report No. 4 (07/12/2016)
Follow-up report No. 5 (14/12/2016)
Follow-up report No. 6 (21/12/2016)
Follow-up report No. 7 (27/12/2016)
Follow-up report No. 8 (11/01/2017)
Follow-up report No. 9 (20/01/2017)
Follow-up report No. 10 (25/01/2017)
Follow-up report No. 11 (01/02/2017)
Follow-up report No. 12 (07/02/2017)
Follow-up report No. 13 (15/02/2017)
Follow-up report No. 14 (22/02/2017)
Follow-up report No. 15 (01/03/2017)
Follow-up report No. 16 (08/03/2017)
Follow-up report No. 17 (15/03/2017)
Follow-up report No. 18 (22/03/2017)
New outbreaks (1)
Outbreak 1 (HPAI_2016_1) Lake Constance, Kreuzlingen, Kreuzlingen, Thurgau
Date of start of the outbreak 05/11/2016
Outbreak status Resolved (22/03/2017)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Tufted Duck:Aythya fuligula(Anatidae) 3 3 0 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Tufted Duck:Aythya fuligula(Anatidae) 3 3 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Tufted Duck:Aythya fuligula(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
Epidemiological comments On Friday 4 November 2016, three tufted ducks (Aythya fuligula) were found dead at Lake Constance.
Control measures
Measures applied
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Surveillance within containment and/or protection zone
  • Zoning
Diagnostic test results
Laboratory name and type Species Test Test date Result
Institute of Virology and Immunology (IVI) (National laboratory) Tufted Duck virus sequencing 09/11/2016 Positive
Institute of Virology and Immunology (IVI) (National laboratory) Tufted Duck polymerase chain reaction (PCR) 09/11/2016 Positive
National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) Tufted Duck reverse transcription - polymerase chain reaction (RT-PCR) 07/11/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations