Low pathogenic avian influenza (poultry),
Hong Kong (SAR - PRC)
Information received on 13/06/2016 from Dr Thomas Sit, Chief Veterinary Officer / Assistant Director (Inspection & Quarantine), Agriculture, Fisheries and Conservation Department, Hong Kong Special Administrative Region Government, Hong Kong , Hong Kong (SAR - PRC)
Summary
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
Date event resolved 16/05/2016
Reason for notification Recurrence 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
Related reports Immediate notification (13/06/2016)
Follow-up report No. 1 (05/09/2016)
New outbreaks (1)
Outbreak 1 Yan Oi Market, Tuen Mun, Hong Kong
Date of start of the outbreak 16/05/2016
Outbreak status Resolved (16/05/2016)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1 0 0 0
Affected population A sample of live poultry faecal droppings
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** 0.00% **
*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 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.
Control measures
Measures applied
  • Screening
  • Disinfection / Disinfestation
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong (Regional Reference Laboratory) Birds virus isolation 04/06/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations