OIE: Low pathogenic avian influenza (poultry), Hong Kong (SAR - PRC)

Information received on 24/03/2014 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 Follow-up report No. 3
Date of start of the event 27/01/2014
Date of pre-confirmation of the event 27/01/2014
Report date 24/03/2014
Date submitted to OIE 24/03/2014
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
Related reports Immediate notification (28/01/2014)
Follow-up report No. 1 (12/02/2014)
Follow-up report No. 2 (19/02/2014)
Follow-up report No. 3 (24/03/2014)
Outbreaks There are no new outbreaks in this report
Epidemiology
Source of the outbreak(s) or origin of infection
  • Legal movement of animals
Epidemiological comments Surveillance and monitoring of local chicken farms have been stepped up. No H7 viruses were detected in samples taken from the local chicken farms in Hong Kong. The Cheung Sha Wan wholesale poultry market resumed trading on 19 February 2014.
Control measures
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
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 gene sequencing 19/03/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.