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Canada - 1 outbreak of rabbit haemorrhagic disease in a hobby rabbit farm in Mont-Joli, Bas-Saint-Laurent, Quebec (OIE, August 25, 2016)

Pathfinder

Pathfinder

Editor, Senior Moderator
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[TD="width: *, align: left"] Rabbit haemorrhagic disease,
Canada
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[TD="width: 1%, align: right"] [/TD]
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[TD="class: topbigtabletitle27"]Information received on 25/08/2016 from Dr Martine Dubuc, OIE Delegate for Canada, Chief Food Safety Officer Vice-President, Science Branch, Health Ministry, Canadian Food Inspection Agency, Ottawa, Canada[/TD]
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[TD] Summary
[TABLE="class: TableFoyers, width: 917"]
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[TD="class: filtrer_th, width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification[/TD]
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[TD="class: filtrer_th, width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]13/08/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]23/08/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Report date[/TD]
[TD="width: 30%"]25/08/2016[/TD]
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[TD="class: filtrer_th, width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]25/08/2016[/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%"]30/03/2011[/TD]
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[TD="class: filtrer_th, width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Clinical disease[/TD]
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[TD="class: filtrer_th, width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Calicivirus[/TD]
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[TD="class: filtrer_th, width: 10%"]Serotype[/TD]
[TD="width: 30%"]RHDV2[/TD]
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[TD="class: filtrer_th, width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (advanced), Necropsy[/TD]
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[TD="class: filtrer_th, width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]
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[TD] New outbreaks (1)
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[TD="class: filtrer_th ta_left, align: left"]Outbreak 1 (QUE-2016-001)[/TD]
[TD="class: filtrer_th ta_left"]Mont-Joli, Bas-Saint-Laurent, QUEBEC[/TD]
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[TD="class: filtrer_th ta_left"]Date of start of the outbreak[/TD]
[TD]13/08/2016[/TD]
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[TD="class: filtrer_th ta_left"]Outbreak status[/TD]
[TD]Continuing (or date resolved not provided)[/TD]
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[TD="class: filtrer_th ta_left"]Epidemiological unit[/TD]
[TD]Backyard[/TD]
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[TD="class: filtrer_th ta_left"]Affected animals[/TD]
[TD] [TABLE="class: TableFoyers, width: 605"]
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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]Rabbits[/TD]
[TD="class: ta_right"]23[/TD]
[TD="class: ta_right"]18[/TD]
[TD="class: ta_right"]18[/TD]
[TD="class: ta_right"]2[/TD]
[TD="class: ta_right"] [/TD]
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[TD="class: filtrer_th ta_left"]Affected population[/TD]
[TD]Hobby rabbit farm (companion animals).[/TD]
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[TD] [TABLE="class: TableFoyers, width: 917"]
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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]
[TD] [TABLE="class: TableFoyers, width: 744"]
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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]Rabbits[/TD]
[TD="class: ta_right"]23[/TD]
[TD="class: ta_right"]18[/TD]
[TD="class: ta_right"]18[/TD]
[TD="class: ta_right"]2[/TD]
[TD="class: ta_right"] [/TD]
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[TD="class: filtrer_th ta_left"]Outbreak statistics[/TD]
[TD] [TABLE="class: TableFoyers, width: 744"]
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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]Rabbits[/TD]
[TD="class: ta_right"]78.26%[/TD]
[TD="class: ta_right"]78.26%[/TD]
[TD="class: ta_right"]100.00%[/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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[TD] 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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  • Unknown or inconclusive
  • Introduction of new live animals
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[TD="class: filtrer_th ta_left"]Epidemiological comments[/TD]
[TD]New rabbits were introduced from another farm recently, with high mortality observed in the following days. The Canadian Food Inspection Agency (CFIA) has initiated an investigation, in collaboration with the Minist?re de l'Agriculture, des P?cheries et de l'Alimentation du Qu?bec in order to identify possible sources of infection. Quarantine measures have been implemented, under the authority of the CFIA. On August 23, 2016, the National Center for Foreign Animal Disease (Winnipeg, CFIA) confirmed the presence of RHDV2. A 350 base pair RT-PCR amplicon representing 3' end of VP60 gene was sequenced. The sequence showed 96.2% identity to RHDVb (or RHDV2) isolate (GenBank: KT000337.1) from S?o Jorge in Azores Islands.[/TD]
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[TD] [/TD]
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[TD] Control measures
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[TD="class: filtrer_th ta_left"]Measures applied[/TD]
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  • Screening
  • Traceability
  • Quarantine
  • Stamping out
  • Vaccination prohibited
  • No treatment of affected animals
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[TD="class: filtrer_th ta_left"]Measures to be applied[/TD]
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  • Disinfection / Disinfestation
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[TD] 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"]National Center for Foreign Animal Disease (Winnipeg, CFIA) (National laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]electron microscopy[/TD]
[TD="class: filtrer"]19/08/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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[TD="class: filtrer"]National Center for Foreign Animal Disease (Winnipeg, CFIA) (National laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]immunohistochemical test[/TD]
[TD="class: filtrer"] [/TD]
[TD="class: filtrer cb-centree last"]Pending[/TD]
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[TD="class: filtrer"]National Center for Foreign Animal Disease (Winnipeg, CFIA) (National laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]nucleotide sequencing[/TD]
[TD="class: filtrer"]19/08/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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[TD="class: filtrer"]National Center for Foreign Animal Disease (Winnipeg, CFIA) (National laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]nucleotide sequencing[/TD]
[TD="class: filtrer"]23/08/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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[TD="class: filtrer"]National Center for Foreign Animal Disease (Winnipeg, CFIA) (National laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]reverse transcription - polymerase chain reaction (RT-PCR)[/TD]
[TD="class: filtrer"]18/08/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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[TD="class: filtrer"]National Center for Foreign Animal Disease (Winnipeg, CFIA) (National laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]virus isolation[/TD]
[TD="class: filtrer"] [/TD]
[TD="class: filtrer cb-centree last"]Pending[/TD]
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[TD="class: filtrer"]Animal pathology laboratory ? MAPAQ (Regional Laboratory)[/TD]
[TD="class: filtrer"]Rabbits[/TD]
[TD="class: filtrer"]histopathological examination[/TD]
[TD="class: filtrer"]17/08/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
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[TD] Future Reporting
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[TD="class: filtrer"]The event is continuing. Weekly follow-up reports will be submitted.[/TD]
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http://www.oie.int/wahis_2/public/w...?page_refer=MapFullEventReport&reportid=20799
 
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