OIE: Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), Hong Kong (SAR - PRC)
submited by kickingbird at Apr, 9, 2018 23:40 PM from OIE
| Information received on 09/04/2018 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 |
04/04/2018 |
| Date of confirmation of the event |
09/04/2018 |
| Report date |
09/04/2018 |
| Date submitted to OIE |
09/04/2018 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
07/02/2018 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic influenza A virus |
| Serotype |
H5N6 |
| Nature of diagnosis |
Laboratory (advanced) |
| This event pertains to |
the whole country | |
|
|
| Outbreak 1 (18-04269) |
Kun Lung Wai, Fanling, North District, Hong Kong |
| Date of start of the outbreak |
04/04/2018 |
| Outbreak status |
Resolved (04/04/2018) |
| Epidemiological unit |
Not applicable |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Crested Myna:Acridotheres cristatellus(Sturnidae) |
|
1 |
1 |
0 |
0 | |
| Affected population |
A dead crested myna was collected on 4 April 2018 in Kun Lung Wai, Fanling. It is a common resident species in Hong Kong. | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Crested Myna:Acridotheres cristatellus(Sturnidae) |
|
1 |
1 |
0 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Crested Myna:Acridotheres cristatellus(Sturnidae) |
** |
** |
100.00% |
** | |
| *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 |
|
| Epidemiological comments |
An intensive surveillance system is in place for all poultry farms, poultry markets, and pet bird shops in Hong Kong. The H5N6 infected wild bird was detected in the ongoing national surveillance program in wild birds. No spread of disease was evident. There are no poultry farms located within three kilometres of where the bird was found. The Hong Kong Wetland Park and Mai Po Nature Reserve are not located within three kilometres of where the bird was found. The date of end of the outbreak is the same as the date the bird was found (4 April 2018). | |
|
|
Control measures
| Measures applied |
- Screening
- Disinfection
- Vaccination permitted (if a vaccine exists)
- No treatment of affected animals
|
| Measures to be applied |
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department (National laboratory) |
Crested Myna |
immunohistochemical test |
06/04/2018 |
Positive |
| Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department (National laboratory) |
Crested Myna |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
06/04/2018 |
Positive |
| Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department (National laboratory) |
Crested Myna |
virus isolation |
09/04/2018 |
Positive |
| Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong (Regional Reference Laboratory) |
Crested Myna |
gene sequencing |
|
Pending |
| National Influenza Centre, Centre for Health Protection, Department of Health (Regional Reference Laboratory) |
Crested Myna |
gene sequencing |
|
Pending | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | | [Go Top] [Close Window]
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