[Source: OIE, full PDF document: (LINK). Edited.]
Highly pathogenic avian influenza H5N1, Hong Kong (SAR - PRC)
Information received on 29/01/2013 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)
------
Highly pathogenic avian influenza H5N1, Hong Kong (SAR - PRC)
Information received on 29/01/2013 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 (Final report)
- Date of start of the event 25/01/2013
- Date of pre-confirmation of the event 29/01/2013
- Report date 29/01/2013
- Date submitted to OIE 29/01/2013
- Date event resolved 29/01/2013
- Reason for notification Reoccurrence of a listed disease
- Date of previous occurrence 26/07/2012
- Manifestation of disease Clinical disease
- Causal agent Highly pathogenic avian influenza virus
- Serotype H5N1
- Nature of diagnosis Laboratory (advanced)
- This event pertains to the whole country
- New outbreaks
- Summary of outbreaks
- Total outbreaks: 1
- Outbreak Location - HONG KONG ( Mouse Island children?s playground, Hoi Wing Road, Tuen Mun )
- Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
- Black-headed Gull:Laridae (Larus ridibundus) - 1 - 1 - 0 - 0
- Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Black-headed Gull:Laridae (Larus ridibundus) - ** - ** - 100.00% - **
- * Removed from the susceptible population through death, destruction and/or slaughter;
- ** Not calculated because of missing information;
- Outbreak Location - HONG KONG ( Mouse Island children?s playground, Hoi Wing Road, Tuen Mun )
- Total outbreaks: 1
- Summary of outbreaks
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Source of the outbreak(s) or origin of infection
- Epidemiological comments
- An intensive surveillance system is in place for all poultry farms, poultry markets and pet bird shops in Hong Kong.
- The H5N1 infected wild bird was detected in our ongoing surveillance program on wild birds.
- No spread of disease was evident.
- The date of closure of the event is the date of end of the outbreak which is the date the bird was found (i.e. 25 January 2013).
- Control measures
- Measures applied
- Screening
- Disinfection of infected premises/establishment(s)
- No vaccination
- No treatment of affected animals
- Measures to be applied
- No other measures
- Measures applied
- Diagnostic test results
- Laboratory name and type - Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department ( National laboratory )
- Tests and results: Species - Test - Test date - Result
- Black-headed Gull - immunohistochemical test - 29/01/2013 - Positive
- Black-headed Gull - polymerase chain reaction (PCR) - 29/01/2013 - Positive
- Black-headed Gull - virus isolation - Pending
- Tests and results: Species - Test - Test date - Result
- 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 - Species - Test - Test date - Result
- Black-headed Gull - gene sequencing - Pending
- Tests and results - Species - Test - Test date - Result
- Laboratory name and type - Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department ( National laboratory )
- Future Reporting
- The event is resolved. No more reports will be submitted.
------