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New Japan bird flu outbreak brings fresh cull of chickens - 6 farms affected in 4 prefectures

Gert van der Hoek

Gert van der Hoek

In Memoriam - Editor, Senior Moderator
Wed Dec 21, 2016 |

A virulent strain of airborne bird flu extended its shadow across northeast Asia as Japan launched a new chicken cull on a southern island, days after gassing hundreds of thousands of birds some 2,400 kilometers (1,500 miles) to the north.

Tackling Japan's sixth outbreak since end-November, Kyushu authorities said they will gas just over 120,000 chickens after the H5 virus was detected on a farm. The island lies close to South Korea, which has ordered a record cull of 20 million birds since first reporting the H5N6 virus just over a month ago.

The outbreak in Japan's Miyazaki prefecture follows the gassing of more than 200,000 chickens at a farm in the northern island of Hokkaido last weekend and brings the country's cull this season to nearly a million chickens and ducks.

The cases in Japan - outbreaks before Miyazaki were all confirmed as H5N6 bird flu - are the first in nearly two years, with the bird cull now standing at its highest in six years.
 
[FONT=&quot]According to the Ministry of Agriculture, the epidemic spread to the southern region of Miyazaki (southwest), after several outbreaks first detected on farms in Niigata (northwest) and then in Hokkaido and Aomori (north).[/FONT]

[FONT=&quot]The total number of birds slaughtered by a government decision now stands at 972,700 on six farms dispersed in the four prefectures mentioned.[/FONT]
[FONT=&quot]There were also 70 death
s of wild birds carrying the same H5N6 virus in a total of 13 prefectures, according to the ministry.[/FONT]
 
[TABLE="class: TableChoisir, border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD]

[TD="width: *, align: left"] Highly pathogenic avian influenza,
Japan
[/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 21/12/2016 from Dr Kazuo Ito, Director, International Animal Health Affairs Office, Animal Health Division, Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, Tokyo, Japan[/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%"]Follow-up report No. 2[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]28/11/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]28/11/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Report date[/TD]
[TD="width: 30%"]19/12/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]21/12/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Reoccurrence of a listed disease[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]17/02/2015[/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 avian influenza 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%"]Clinical, Laboratory (basic), Laboratory (advanced)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]the whole country[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left, width: 10%"]Related reports[/TD]
[TD="width: 30%"]Immediate notification (29/11/2016)
Follow-up report No. 1 (05/12/2016)
Follow-up report No. 2 (19/12/2016) [/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] New outbreaks (2)
[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"]Shimizu-cho, HOKKAIDO[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Date of start of the outbreak[/TD]
[TD]16/12/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Outbreak status[/TD]
[TD]Continuing (or date resolved not provided)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Epidemiological unit[/TD]
[TD]Farm[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected animals[/TD]
[TD] [TABLE="class: TableFoyers, width: 605"]
[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"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Birds[/TD]
[TD="class: ta_right"]283982[/TD]
[TD="class: ta_right"]30[/TD]
[TD="class: ta_right"]30[/TD]
[TD="class: ta_right"]283952[/TD]
[TD="class: ta_right"]0[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected population[/TD]
[TD]Poultry (layers)[/TD]
[/TR]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left, align: left"]Outbreak 2[/TD]
[TD="class: filtrer_th ta_left"]Kawaminami-cho, MIYAZAKI[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Date of start of the outbreak[/TD]
[TD]19/12/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Outbreak status[/TD]
[TD]Continuing (or date resolved not provided)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Epidemiological unit[/TD]
[TD]Farm[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected animals[/TD]
[TD] [TABLE="class: TableFoyers, width: 605"]
[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"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Birds[/TD]
[TD="class: ta_right"]122000[/TD]
[TD="class: ta_right"]100[/TD]
[TD="class: ta_right"]100[/TD]
[TD="class: ta_right"]121900[/TD]
[TD="class: ta_right"]0[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected population[/TD]
[TD]poultry (broilers)[/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: 2[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Total animals affected[/TD]
[TD] [TABLE="class: TableFoyers, width: 744"]
[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"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Birds[/TD]
[TD="class: ta_right"]405982[/TD]
[TD="class: ta_right"]130[/TD]
[TD="class: ta_right"]130[/TD]
[TD="class: ta_right"]405852[/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: 744"]
[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]Birds[/TD]
[TD="class: ta_right"]0.03%[/TD]
[TD="class: ta_right"]0.03%[/TD]
[TD="class: ta_right"]100.00%[/TD]
[TD="class: ta_right"]100.00%[/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]
[/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]Outbreak 2 (Niigata, Sekikawa-mura) ?follow up information of the previous reports. On 20 December 2016 shipment restrictions were lifted as there were not any positive results of the tests conducted after control measures had been completed. Outbreak 1 (Aomori), Outbreak 3 (Niigata, Joetsu-shi) and Outbreak 4 (Aomori, 2nd case) ?follow up information of the previous report: On 21 December 2016 shipment restrictions were lifted as there were not any positive results of the tests conducted after control measures had been completed. Outbreak 5 (Hokkaido, Shimizu-cho) ?this report On 16 November 2016, the local veterinary service centre in Hokkaido Prefecture received a notification from a domestic hens farm on increase the numbers of dead birds (30 birds on the day). The samples from dead birds were confirmed to be influenza A virus positive by antigen-capture kits and to be subtype H5 by RT-PCR in Tokachi Livestock Hygiene Service Centre. The N-type was identified as N6 by NIAH on 20 November 2016. Destruction of all the susceptible birds in the affected farm has been completed. Movement and shipment restrictions are imposed on the farms within a radius of 3km and within a radius of 3-10km of the affected farm, respectively. Outbreak 6 (Miyazaki, Kawaminami-cho) -this report: On 19 November 2016, the local veterinary service centre in Miyazaki Prefecture received a notification from a domestic broilerss farm on increase the numbers of dead birds (100 birds on the day). The samples from dead birds were confirmed to be influenza A virus positive by antigen-capture kits and to be subtype H5 by RT-PCR in Miyazaki Livestock Hygiene Service Centre. Destruction of all the susceptible birds in the affected farm has been completed. Movement and shipment restrictions are imposed on the farms within a radius of 3km and within a radius of 3-10km of the affected farm, respectively.[/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]
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • Stamping out
  • Vaccination prohibited
  • 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"]Miyazaki Livestock Hygiene Service Centre (Local laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]reverse transcription - polymerase chain reaction (RT-PCR)[/TD]
[TD="class: filtrer"]19/12/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Miyazaki Livestock Hygiene Service Centre (Local laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]rapid tests[/TD]
[TD="class: filtrer"]19/12/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Tokachi Livestock Hygiene Service Centre (Local laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]rapid tests[/TD]
[TD="class: filtrer"]16/12/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]Tokachi Livestock Hygiene Service Centre (Local laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]reverse transcription - polymerase chain reaction (RT-PCR)[/TD]
[TD="class: filtrer"]16/12/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]the National Institute of Animal Health (National laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]gene sequencing[/TD]
[TD="class: filtrer"]20/12/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/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=21977
 
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