OIE: 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

Reason for notification

Reoccurrence 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

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • THURGAU ( Lake Constance, Kreuzlingen, Kreuzlingen )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Tufted Duck:Anatidae (Aythya fuligula)

3

3

0

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Tufted Duck:Anatidae (Aythya fuligula)

**

**

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

Institute of Virology and Immunology (IVI) ( National laboratory )

Tests and results

Species

Test

Test date

Result

Tufted Duck

virus sequencing

09/11/2016

Positive

Laboratory name and type

Institute of Virology and Immunology (IVI) ( National laboratory )

Tests and results

Species

Test

Test date

Result