Highly pathogenic avian influenza, Hong Kong (SAR - PRC) (OIE, Jan 21 2011, edited)
[Source: OIE, full PDF document (LINK). Edited.]
Highly pathogenic avian influenza, Hong Kong (SAR - PRC)
Information received on 21/01/2011 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)
-
------
[Source: OIE, full PDF document (LINK). Edited.]
Highly pathogenic avian influenza, Hong Kong (SAR - PRC)
Information received on 21/01/2011 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
- Start date 17/01/2011
- Date of first confirmation of the event 19/01/2011
- Report date 21/01/2011
- Date submitted to OIE 21/01/2011
- Reason for notification Reoccurrence of a listed disease
- Date of previous occurrence 18/12/2010
- 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: 2
- Location(s) - HONG KONG (Fairview Park, Yuen Long; Tai O, Lantau Island)
- Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
- Wild species - ... - 2 - 2 - 0 - 0
- Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
- Summary of outbreaks
- Outbreak statistics
- Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Wild species - ** - ** - 100.00% - **
- * Removed from the susceptible population through death, destruction and/or slaughter
- ** Not calculated because of missing information
- Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- 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, pet bird shops and wild birds in Hong Kong.
- The H5N1 infected wild birds were detected in our ongoing surveillance programme on wild birds.
- No spread of disease was evident.
- As this report concerns wild birds, the dates of end of the outbreaks are the same as the dates on which the birds were found (17 and 18 January 2011, respectively).
- 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 and Conservation Department (National laboratory)
- Tests and results: Species - Test - Test date - Result
- Wild species - immunohistochemical test - 19/01/2011 - Positive
- Wild species - immunohistochemical test - 20/01/2011 - Positive
- Wild species - polymerase chain reaction (PCR) - 19/01/2011 - Positive
- Wild species - polymerase chain reaction (PCR) - 20/01/2011 - Positive
- Wild species - virus isolation - 21/01/2011 - Positive
- Tests and results: Species - Test - Test date - Result
- Laboratory name and type Department of Microbiology, University of Hong Kong (Regional Reference Laboratory)
- Tests and results: Species - Test - Test date - Result
- Wild species - gene sequencing - Pending
- Tests and results: Species - Test - Test date - Result
- Laboratory name and type Tai Lung Veterinary Laboratory, Agriculture, Fisheries and Conservation Department (National laboratory)
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
-
------