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Hong Kong - Black-headed gull carcass tests positive for H5N6 virus in Lau Fau Shan

Pathfinder

Pathfinder

Editor, Senior Moderator

Black-headed gull carcass tests positive for H5 virus
******************************************


A carcass of a black-headed gull found in Lau Fau Shan, Tin Shui Wai was suspected to be positive for the H5 avian influenza virus based on preliminary testing, a spokesman for the Agriculture, Fisheries and Conservation Department (AFCD) said today (February 8). Further confirmatory tests are being conducted.

The bird carcass was found and collected near a public toilet at Ngau Hom Tsuen, Lau Fau Shan today. The black-headed gull is a common winter visitor.

The spokesman said the two chicken farms are within 3 kilometres of where the dead bird was found. The AFCD already informed the chicken farms concerned and found no abnormal mortality or symptoms of avian influenza among the chicken flocks so far. The AFCD will also phone poultry farmers to remind them to strengthen precautionary and biosecurity measures against avian influenza. Letters will be issued to pet bird shop owners and licence holders of pet poultry and racing pigeons reminding them that proper precautions must be taken. The AFCD will continue to monitor the situation closely.

The Hong Kong Wetland Park is also within 3 km of where the bird was found. Cleansing and disinfection has been stepped up at the Wetland Park. Notices have also been put up to remind visitors to pay attention to personal hygiene. The Wetland Park will keep a close watch on the situation of birds inside the Park.

The spokesman said the department will conduct frequent inspections of poultry farms and the wholesale market to ensure that proper precautions against avian influenza have been implemented. The department will continue its wild bird monitoring and surveillance.

"People should avoid personal contact with wild birds and live poultry and their droppings. They should clean their hands thoroughly after coming into contact with them. The public can call 1823 for follow-up if they come across suspicious, sick or dead birds, including the carcasses of wild birds and poultry," the spokesman said.

The Food and Environmental Hygiene Department (FEHD) will continue to be vigilant over live poultry stalls. It will also remind stall operators to maintain good hygiene.

The Department of Health will keep up with its health education to remind the public to maintain strict personal and environmental hygiene to prevent avian influenza.

The AFCD, the FEHD, the Customs and Excise Department and the Police will strive to deter the illegal import of poultry and birds into Hong Kong to minimise the risk of avian influenza outbreaks caused by imported poultry and birds that have not gone through inspection and quarantine.

All relevant government departments will continue to be highly vigilant and strictly enforce preventive measures against avian influenza.

Health advice is available from the "H5N1 Health Advice" page on the AFCD website at www.afcd.gov.hk.
Ends/Thursday, February 8, 2018
Issued at HKT 21:38

http://www.info.gov.hk/gia/general/201802/08/P2018020801025.htm
 
Black-headed gull carcass tests positive for H5N6 virus
********************************************


The Agriculture, Fisheries and Conservation Department (AFCD) said today (February 9) that the carcass of a black-headed gull found in Lau Fau Shan, Tin Shui Wai, was confirmed as having the H5N6 avian influenza virus after laboratory testing.

The bird carcass was found and collected near a public toilet at Ngau Hom Tsuen, Lau Fau Shan. It was suspected to have the H5 virus after initial laboratory testing yesterday (February 8). The black-headed gull is a common winter visitor.

The spokesman said two chicken farms are within 3 kilometres of where the dead bird was found. The AFCD has already informed the chicken farms concerned and found no abnormal mortality or symptoms of avian influenza among the chicken flocks so far. The AFCD will also phone poultry farmers to remind them to strengthen precautionary and biosecurity measures against avian influenza. Letters will be issued to pet bird shop owners and licence holders of pet poultry and racing pigeons, reminding them that proper precautions must be taken. The AFCD will continue to monitor the situation closely.

The Hong Kong Wetland Park is also within 3km of where the bird was found. Cleaning and disinfection has been stepped up at the Wetland Park. Notices have also been put up to remind visitors to pay attention to personal hygiene. The Wetland Park will keep a close watch on the situation of birds inside the Park.

The spokesman said the department will conduct inspections of poultry farms and the wholesale market to ensure that proper precautions against avian influenza have been implemented. The department will continue its wild bird monitoring and surveillance.

"People should avoid personal contact with wild birds and live poultry and their droppings. They should clean their hands thoroughly after coming into contact with them. The public can call 1823 for follow-up if they come across suspicious, sick or dead birds, including the carcasses of wild birds and poultry," the spokesman said.

The Food and Environmental Hygiene Department (FEHD) will continue to be vigilant over live poultry stalls. It will also remind stall operators to maintain good hygiene.

The Department of Health will keep up with its health education to remind the public to maintain strict personal and environmental hygiene to prevent avian influenza.

The AFCD, the FEHD, the Customs and Excise Department and the Police will strive to deter the illegal import of poultry and birds into Hong Kong to minimise the risk of avian influenza outbreaks caused by imported poultry and birds that have not gone through inspection and quarantine.

All relevant government departments will continue to be highly vigilant and strictly enforce preventive measures against avian influenza.

Health advice is available from the "H5N1 Health Advice" page on the AFCD website at www.afcd.gov.hk.
Ends/Friday, February 9, 2018
Issued at HKT 20:15
NNNN

http://www.info.gov.hk/gia/general/201802/09/P2018020900962.htm
 
[TABLE="class: TableChoisir, border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD]

[TD="width: *, align: left"] Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Hong Kong (SAR - PRC)
[/TD]
[TD="width: 1%, align: right"] [/TD]
[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableChoisir, border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD="class: topbigtabletitle27"]Information received on 10/02/2018 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)[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] Summary
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th, width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]07/02/2018[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]09/02/2018[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Report date[/TD]
[TD="width: 30%"]09/02/2018[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]10/02/2018[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Recurrence of a listed disease[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]21/12/2017[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Clinical disease[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Highly pathogenic influenza A virus[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N6[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (advanced)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]the whole country[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] New outbreaks (1)
[TABLE="class: TableFoyers, width: 918"]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left, align: left"]Outbreak 1[/TD]
[TD="class: filtrer_th ta_left"]Lau Fau Shan, Tin Shui Wai, Yuen Long , HONG KONG[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Date of start of the outbreak[/TD]
[TD]07/02/2018[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Outbreak status[/TD]
[TD]Resolved (07/02/2018)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Epidemiological unit[/TD]
[TD]Not applicable[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected animals[/TD]
[TD] [TABLE="class: TableFoyers, width: 733"]
[TR]
[TD="class: filtrer_th ta_center last"]Species[/TD]
[TD="class: filtrer_th ta_center last"]Susceptible[/TD]
[TD="class: filtrer_th ta_center last"]Cases[/TD]
[TD="class: filtrer_th ta_center last"]Deaths[/TD]
[TD="class: filtrer_th ta_center last"]Killed and disposed of[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Black-headed Gull:Larus ridibundus(Laridae)[/TD]
[TD="class: ta_right"] [/TD]
[TD="class: ta_right"]1[/TD]
[TD="class: ta_right"]1[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected population[/TD]
[TD]A dead black-headed gull was collected on 7 February 2018 in Lau Fau Shan, Tin Shui Wai. The species is an abundant winter visitor in Hong Kong.[/TD]
[/TR]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left, align: left"]Summary of outbreaks[/TD]
[TD="class: filtrer_th ta_left"]Total outbreaks: 1[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Total animals affected[/TD]
[TD] [TABLE="class: TableFoyers, width: 772"]
[TR]
[TD="class: filtrer_th ta_center last"]Species[/TD]
[TD="class: filtrer_th ta_center last"]Susceptible[/TD]
[TD="class: filtrer_th ta_center last"]Cases[/TD]
[TD="class: filtrer_th ta_center last"]Deaths[/TD]
[TD="class: filtrer_th ta_center last"]Killed and disposed of[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Black-headed Gull:Larus ridibundus(Laridae)[/TD]
[TD="class: ta_right"] [/TD]
[TD="class: ta_right"]1[/TD]
[TD="class: ta_right"]1[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Outbreak statistics[/TD]
[TD] [TABLE="class: TableFoyers, width: 772"]
[TR]
[TD="class: filtrer_th ta_center last"]Species[/TD]
[TD="class: filtrer_th ta_center last"]Apparent morbidity rate[/TD]
[TD="class: filtrer_th ta_center last"]Apparent mortality rate[/TD]
[TD="class: filtrer_th ta_center last"]Apparent case fatality rate[/TD]
[TD="class: filtrer_th ta_center last"]Proportion susceptible animals lost*[/TD]
[/TR]
[TR]
[TD]Black-headed Gull:Larus ridibundus(Laridae)[/TD]
[TD="class: ta_right"]**[/TD]
[TD="class: ta_right"]**[/TD]
[TD="class: ta_right"]100.00%[/TD]
[TD="class: ta_right"]**[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left, colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left, colspan: 2"]**Not calculated because of missing information[/TD]
[/TR]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] Epidemiology
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left"]Source of the outbreak(s) or origin of infection[/TD]
[TD]
  • Unknown or inconclusive
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Epidemiological comments[/TD]
[TD]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 on wild birds. There are two poultry farms located within three kilometres of where the bird was found. No abnormalities or signs of avian influenza were found in the two poultry farms. The Hong Kong Wetland Park is located within three kilometres of where the bird was found. No spread of disease was evident. The date of end of the outbreak is the same as the date the bird was found (7 February 2018).[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] [/TD]
[/TR]
[TR]
[TD] Control measures
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left"]Measures applied[/TD]
[TD]
  • Screening
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Measures to be applied[/TD]
[TD]
  • No other measures
[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] Diagnostic test results
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left"]Laboratory name and type[/TD]
[TD="class: filtrer_th ta_left"]Species[/TD]
[TD="class: filtrer_th ta_left"]Test[/TD]
[TD="class: filtrer_th ta_left"]Test date[/TD]
[TD="class: filtrer_th ta_left last"]Result[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department (National laboratory)[/TD]
[TD="class: filtrer"]Black-headed Gull[/TD]
[TD="class: filtrer"]immunohistochemical test[/TD]
[TD="class: filtrer"]08/02/2018[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department (National laboratory)[/TD]
[TD="class: filtrer"]Black-headed Gull[/TD]
[TD="class: filtrer"]real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)[/TD]
[TD="class: filtrer"]08/02/2018[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department (National laboratory)[/TD]
[TD="class: filtrer"]Black-headed Gull[/TD]
[TD="class: filtrer"]virus isolation[/TD]
[TD="class: filtrer"]09/02/2018[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong (Regional Reference Laboratory)[/TD]
[TD="class: filtrer"]Black-headed Gull[/TD]
[TD="class: filtrer"]gene sequencing[/TD]
[TD="class: filtrer"] [/TD]
[TD="class: filtrer cb-centree last"]Pending[/TD]
[/TR]
[TR]
[TD="class: filtrer"]National Influenza Centre, Centre for Health Protection, Department of Health (Regional Reference Laboratory)[/TD]
[TD="class: filtrer"]Black-headed Gull[/TD]
[TD="class: filtrer"]gene sequencing[/TD]
[TD="class: filtrer"] [/TD]
[TD="class: filtrer cb-centree last"]Pending[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] Future Reporting
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer"]The event is continuing. Weekly follow-up reports will be submitted.[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[/TABLE]

...
http://www.oie.int/wahis_2/public/w...?page_refer=MapFullEventReport&reportid=25925
 
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