Report type

Immediate notification

Date of start of the event

16/05/2016

Date of confirmation of the event

04/06/2016

Report date

13/06/2016

Date submitted to OIE

13/06/2016

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

30/03/2015

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 ( Yan Oi Market, Tuen Mun )

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

An intensive surveillance system is in place for all poultry farms, pet bird shops and poultry markets in Hong Kong. A sample of faecal droppings of live poultry taken from a poultry stall in a retail market on 16 May was tested positive for H7N9.

Measures applied

• Screening
• Disinfection / Disinfestation
• No vaccination
• No treatment of affected animals

Measures to be applied

• No other measures

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.