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Highly pathogenic avian influenza,
Hong Kong (SAR - PRC)
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[TD="class: topbigtabletitle27"]Information received on 06/12/2016 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]
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Summary
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[TD="class: filtrer_th, width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification (Final report)[/TD]
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[TD="class: filtrer_th, width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]25/11/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]05/12/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Report date[/TD]
[TD="width: 30%"]05/12/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]06/12/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Date event resolved[/TD]
[TD="width: 30%"]25/11/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Reoccurrence of a listed disease[/TD]
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[TD="class: filtrer_th, width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]14/02/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Sub-clinical infection[/TD]
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[TD="class: filtrer_th, width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Highly pathogenic avian influenza virus[/TD]
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[TD="class: filtrer_th, width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N6[/TD]
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[TD="class: filtrer_th, width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (advanced)[/TD]
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[TD="class: filtrer_th, width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]the whole country[/TD]
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New outbreaks (1)
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[TD="class: filtrer_th ta_left, align: left"]Outbreak 1[/TD]
[TD="class: filtrer_th ta_left"]Mai Po, Yuen Long, HONG KONG[/TD]
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[TD="class: filtrer_th ta_left"]Date of start of the outbreak[/TD]
[TD]25/11/2016[/TD]
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[TD="class: filtrer_th ta_left"]Outbreak status[/TD]
[TD]Resolved (25/11/2016)[/TD]
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[TD="class: filtrer_th ta_left"]Epidemiological unit[/TD]
[TD]Natural park[/TD]
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[TD="class: filtrer_th ta_left"]Affected animals[/TD]
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[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"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
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[TD]Northern Pintail:Anas acuta(Anatidae)[/TD]
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[TD="class: ta_right"]3[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
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[TD="class: filtrer_th ta_left"]Affected population[/TD]
[TD]Three environmental samples[/TD]
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[TD="class: filtrer_th ta_left, align: left"]Summary of outbreaks[/TD]
[TD="class: filtrer_th ta_left"]Total outbreaks: 1[/TD]
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[TD="class: filtrer_th ta_left"]Total animals affected[/TD]
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[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"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
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[TD]Northern Pintail:Anas acuta(Anatidae)[/TD]
[TD="class: ta_right"] [/TD]
[TD="class: ta_right"]3[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
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[TD="class: filtrer_th ta_left"]Outbreak statistics[/TD]
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[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]
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[TD]Northern Pintail:Anas acuta(Anatidae)[/TD]
[TD="class: ta_right"]**[/TD]
[TD="class: ta_right"]**[/TD]
[TD="class: ta_right"]0.00%[/TD]
[TD="class: ta_right"]**[/TD]
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[TD="class: filtrer_th ta_left, colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]
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[TD="class: filtrer_th ta_left, colspan: 2"]**Not calculated because of missing information[/TD]
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Epidemiology
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[TD="class: filtrer_th ta_left"]Source of the outbreak(s) or origin of infection[/TD]
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[TD="class: filtrer_th ta_left"]Epidemiological comments[/TD]
[TD]An intensive surveillance system is in place for avian influenza virus, including screening, at Mai Po Nature Reserve in Hong Kong. Three environmental samples were collected for the routine academic surveillance study by University of Hong Kong on 25 November 2016 and subsequently tested positive for H5N6. Additional sequencing results showed that these samples contain the DNA of Anas acuta (Northern pintail). The date of the end of the outbreak is the same as the date the samples were taken (25 November 2016).[/TD]
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Control measures
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[TD="class: filtrer_th ta_left"]Measures applied[/TD]
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- Screening
- Vaccination permitted (if a vaccine exists)
- No treatment of affected animals
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[TD="class: filtrer_th ta_left"]Measures to be applied[/TD]
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Diagnostic test results
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[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]
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[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"]Northern Pintail[/TD]
[TD="class: filtrer"]gene sequencing[/TD]
[TD="class: filtrer"]05/12/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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[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"]Northern Pintail[/TD]
[TD="class: filtrer"]virus isolation[/TD]
[TD="class: filtrer"]28/11/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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Future Reporting
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[TD="class: filtrer"]The event is resolved. No more reports will be submitted.[/TD]
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http://www.oie.int/wahis_2/public/w...?page_refer=MapFullEventReport&reportid=21786