Report type

Immediate notification

Date of start of the event

02/03/2017

Date of confirmation of the event

04/03/2017

Report date

06/03/2017

Date submitted to OIE

06/03/2017

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

2016

Manifestation of disease

Clinical disease

Causal agent

Low pathogenic avian influenza virus

Serotype

H5N2

Nature of diagnosis

Laboratory (advanced)

This event pertains to

a defined zone within the country

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

• WISCONSIN ( Barron County, Barron )

Total animals affected

Outbreak statistics

* Removed from the susceptible population through death, destruction and/or slaughter;
** Not calculated because of missing information;

Source of the outbreak(s) or origin of infection

• Unknown or inconclusive

Epidemiological comments

The USDA Animal Plant Health Inspection Service (APHIS) and the Wisconsin Department of Agriculture Trade and Consumer Protection are responding to this event.
? Testing of the commercial turkey flock occurred after the birds exhibited signs of depression.
? Samples were submitted for laboratory testing and were confirmed positive for influenza A virus H5N2 LPAI North American wild bird origin. Both the HA and NA are distinct from the EA/AM H5N2 clade 2.3.4.4 viruses from 2015.
? The infected premises was quarantined and the turkeys will be depopulated through controlled marketing.
? A comprehensive epidemiological investigation with enhanced surveillance is ongoing.

Measures applied

• Movement control inside the country
• Quarantine
• Surveillance outside containment and/or protection zone
• Surveillance within containment and/or protection zone
• Zoning
• Vaccination prohibited
• No treatment of affected animals

Measures to be applied

• No other measures

Laboratory name and type

National Veterinary Services Laboratories (NVSL) ( National laboratory )

Tests and results