Report type

Immediate notification

Date of start of the event

11/04/2014

Date of pre-confirmation of the event

13/04/2014

Report date

13/04/2014

Date submitted to OIE

13/04/2014

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

25/03/2011

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5

Nature of diagnosis

Clinical, Laboratory (basic), Laboratory (advanced), Necropsy

This event pertains to

the whole country

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

• KUMAMOTO ( Kuma-gun, Taragi-machi )

Total animals affected

Outbreak statistics

* Removed from the susceptible population through death, destruction and/or slaughter;

Source of the outbreak(s) or origin of infection

• Unknown or inconclusive

Epidemiological comments

Infection with H5 influenza A virus in poultry was confirmed on 13 April 2014 in Kumamoto prefecture. On 12 April 2014, local veterinary officers visited the farm immediately after notification from the owner. Increase of the mortality was recognized and the local veterinary service centre in the prefecture (Kumamoto Livestock Hygiene Centre) confirmed that samples from dead birds were influenza A virus positive by antigen-capture kits. On the same day, the centre started RT-PCR test and confirmed that the subtype was H5 on 13 April. The samples are to be sent to the National Institute of Animal Health for virus isolation and HI test. Movement restrictions are imposed on the farms within the radius of 3km of the affected farm. Shipment restrictions are imposed on the farms within the radius of 3-10km of the affected farm. Stamping-out policy is applied to the affected farm and epidemiologically related farms. Destruction of all the susceptible birds in the affected farm and epidemiologically related farms will be completed on 13 April 2014.

Measures applied

• Control of wildlife reservoirs
• Stamping out
• Quarantine
• Movement control inside the country
• Screening
• Disinfection of infected premises/establishment(s)
• Vaccination prohibited
• No treatment of affected animals

Measures to be applied

• No other measures

Laboratory name and type

Kumamoto Livestock Hygiene Centre ( Local laboratory )

Tests and results

The event is continuing. Weekly follow-up reports will be submitted.