Report type

Immediate notification

Date of start of the event

27/01/2014

Date of pre-confirmation of the event

27/01/2014

Report date

28/01/2014

Date submitted to OIE

29/01/2014

Reason for notification

First occurrence of a listed disease

Manifestation of disease

Sub-clinical infection

Causal agent

Low pathogenic avian influenza virus

Serotype

H7N9

Nature of diagnosis

Laboratory (advanced)

This event pertains to

the whole country

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

• HONG KONG ( 4 Hing Wah Street, Cheung Sha Wan )

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

• Legal movement of animals

Epidemiological comments

An intensive surveillance system is in place for all import poultry, wild bird, local poultry farms, poultry markets and pet bird shops. An imported consignment containing 2,600 silky chickens was tested positive for low pathogenic avian influenza virus (H7N9) in the routine surveillance programme.
A total of 22,604 poultry, including 16,984 chickens, 2,898 silky fowls, 1,080 pheasants and 1,642 pigeons were culled on 28 January 2014. Importation of live poultry and movement of poultry in local farms are banned for 21 days.

Measures applied

• Stamping out
• Quarantine
• Movement control inside the country
• Screening
• Zoning
• Disinfection of infected premises/establishment(s)
• No vaccination
• No treatment of affected animals

Measures to be applied

• No other measures

Laboratory name and type

Tai Lung Veterinary Laboratory, Agriculture, Fisheries and Conservation Department ( National laboratory )

Tests and results

Laboratory name and type

Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong ( Regional Reference Laboratory )

Tests and results

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