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PostPosted: Fri Nov 21, 2014 8:57 am 
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OIE reports from Japan confirm sub-clinical H5N8 in Tundra swan droppings collected on November, 2014.

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PostPosted: Fri Nov 21, 2014 8:59 am 
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Information received on 14/11/2014 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan
Summary
Report type Immediate notification
Date of start of the event 03/11/2014
Date of pre-confirmation of the event 13/11/2014
Report date 13/11/2014
Date submitted to OIE 14/11/2014
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 16/04/2014
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (13/11/2014)
Follow-up report No. 1 (21/11/2014)
New outbreaks (1)
Outbreak 1 Yasugi-shi, SHIMANE
Date of start of the outbreak 03/11/2014
Outbreak status Resolved (13/11/2014)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Tundra Swan:Cygnus columbianus(Anatidae) 1 0 0 0
Affected population 2 fecal samples from Cygnus columbianus (tundra swan)
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Tundra Swan:Cygnus columbianus(Anatidae) 1 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Tundra Swan:Cygnus columbianus(Anatidae) ** ** 0.00% **
*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
Unknown or inconclusive
Epidemiological comments It was confirmed on 13 November 2014 that 2 fecal samples from Cygnus columbianus (tundra swan) were positive for H5N8 influenza A virus. The samples had been collected by Kyoto Sangyo University on 3 November 2014. RT-PCR tests and virus sequencing were conducted and the result indicated that a HA0 cleavage site of the amino acid sequence was consistent with highly pathogenic avian influenza virus (positive results from fecal samples only and no clinical cases).
Control measures
Measures applied
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Kyoto Sangyo University (Private Laboratory) Tundra Swan gene sequencing 13/11/2014 Positive
Kyoto Sangyo University (Private Laboratory) Tundra Swan reverse transcription - polymerase chain reaction (RT-PCR) 13/11/2014 Positive
Kyoto Sangyo University (Private Laboratory) Tundra Swan virus isolation 13/11/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.


http://www.oie.int/wahis_2/public/wahid ... rtid=16520

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PostPosted: Fri Nov 21, 2014 9:04 am 
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Information received on 21/11/2014 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan
Summary
Report type Follow-up report No. 1
Date of start of the event 03/11/2014
Date of pre-confirmation of the event 13/11/2014
Report date 21/11/2014
Date submitted to OIE 21/11/2014
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 16/04/2014
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (13/11/2014)
Follow-up report No. 1 (21/11/2014)
New outbreaks (1)
Outbreak 1 Chosei-gun, Nagara-machi, CHIBA
Date of start of the outbreak 18/11/2014
Outbreak status Resolved (21/11/2014)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Anatidae (unidentified):Anatidae (incognita)(Anatidae) 1 0 0 0
Affected population 2 fecal samples from Anatidae (species are unknown since only fecal samples were collected)
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Anatidae (unidentified):Anatidae (incognita)(Anatidae) 1 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Anatidae (unidentified):Anatidae (incognita)(Anatidae) ** ** 0.00% **
*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
Unknown or inconclusive
Epidemiological comments It was confirmed on 20 November 2014 that 2 fecal samples out of 50 fecal samples from Anatidae (wild birds, species unknown) were positive for H5N8 influenza A virus. The samples had been collected on 18 November 2014 and were subject to virus isolation and RT-PCR. The confirmation tests on the pathogenicity of the virus are conducted by the National Institute of Animal Health (NIAH). A follow-up report on the results will be submitted in a few days.
Control measures
Measures applied
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Chiba Livestock Hygiene Centre (Local laboratory) Anatidae (unidentified) reverse transcription - polymerase chain reaction (RT-PCR) 20/11/2014 Positive
Chiba Livestock Hygiene Centre (Local laboratory) Anatidae (unidentified) virus isolation 18/11/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.

http://www.oie.int/wahis_2/public/wahid ... rtid=16558

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PostPosted: Fri Nov 21, 2014 9:04 pm 
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Location: Pittsburgh, PA USA
Highly pathogenic bird flu virus detected in Chiba Prefecture
JIJI PRESS -- NOV 22
A highly pathogenic avian influenza virus has been detected in duck droppings collected Tuesday in the town of Nagara in Chiba Prefecture, east of Tokyo, the Environment Ministry said Friday.
The H5N8 subtype was found first in a genetic test by the Chiba prefectural government on Thursday and was later confirmed in a further test by the National Institute of Animal Health.
This marks the second discovery of a highly pathogenic bird flu virus in the country this season, following one in the western prefecture of Shimane.

The ministry will now raise the nationwide bird flu alert level from 2 to 3.

- See more at: http://newsonjapan.com/html/newsdesk/ar ... z4YJ6.dpuf

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PostPosted: Sat Nov 22, 2014 11:24 am 
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Joined: Wed Aug 19, 2009 10:42 am
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Location: Pittsburgh, PA USA
Follow-up report No.1
Report reference: , Reference OIE : 16558, Report Date : 21/11/2014, Country : Japan
Report Summary
Name of sender of the report Dr Toshiro Kawashima Telephone (81-3) 3502 8295
Position CVO Fax (81-3) 3502 3385
Address Animal Health Division
Food Safety and Consumer Affairs Bureau
Ministry of Agriculture, Forestry and Fisheries
1-2-1 Kasumigaseki
Chiyoda-ku
Tokyo 100-8950
Email animal_health88@nm.maff.go.jp
Date submitted to OIE 21/11/2014
Animal type Terrestrial Date of report 21/11/2014
Disease Highly pathogenic avian influenza Date of start of the event 03/11/2014
Causal Agent Highly pathogenic avian influenza virus Date of pre-confirmation of the
event
13/11/2014
Serotype(s) H5N8 Date of last occurrence 16/04/2014
Reason Reoccurrence of a listed disease Diagnosis Laboratory (advanced)
Country or zone the whole country Clinical signs No
Number of reported outbreaks submitted= 2, Draft= 0
Outbreak details
Province Number of outbreaks District Sub-district Unit Type Location Latitude Longitude Start Date End Date:
SHIMANE-other report -
submitted
- Not applicable Yasugi-shi 35.431442 133.250915 03/11/2014 13/11/2014
Species Measuring units Susceptible Cases Deaths Destroyed Slaughtered
Tundra
Swan:Anatidae(Cygnus
columbianus)
Animals ... 1 0 0 0
Affected Population 2 fecal samples from Cygnus columbianus (tundra swan)
Province Number of outbreaks District Sub-district Unit Type Location Latitude Longitude Start Date End Date:
CHIBA- (this report -
submitted)
- Nagara-machi Not applicable Chosei-gun 35.431122 140.227086 18/11/2014 21/11/2014
Species Measuring units Susceptible Cases Deaths Destroyed Slaughtered
Anatidae
(unidentified):Anatidae(A
natidae (incognita))
Animals ... 1 0 0 0
Affected Population 2 fecal samples from Anatidae (species are unknown since only fecal samples were collected)
Outbreak summary: Total outbreaks = 2 (Submitted)
Species Susceptible Cases Deaths Destroyed Slaughtered
Tundra Swan 1 0 0 0
Anatidae (unidentified) 1 0 0 0
Epidemiology
Epidemiological comments
It was confirmed on 20 November 2014 that 2 fecal samples out of 50 fecal samples from Anatidae (wild birds, species unknown) were positive for H5N8 influenza A virus. The samples had been collected on 18 November 2014 and were subject to virus isolation and RT-PCR. The
confirmation tests on the pathogenicity of the virus are conducted by the National Institute of Animal Health (NIAH). A follow-up report on the results will be submitted in a few days.
Source of the outbreak(s) or origin of infection
• Unknown or inconclusive
Measures applied
Printed on: Fri Nov 21 12:29:55 CET 2014 Page 1/3No Control Measures
Animals treated Vaccination Prohibited
No Yes
Diagnostic test results
Laboratory Type Name of Laboratory Species Test Type Date Results Provided Result
Local laboratory Chiba Livestock Hygiene Centre Anatidae (unidentified) reverse transcription -
polymerase chain reaction
(RT-PCR)
20/11/2014 Positive
Local laboratory Chiba Livestock Hygiene Centre Anatidae (unidentified) virus isolation 18/11/2014 Positive

http://www.oie.int/wahis_2/public%5C..% ... 122955.pdf

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PostPosted: Fri Dec 05, 2014 4:05 pm 
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Location: Pittsburgh, PA USA
Farms on high alert for bird flu outbreak

The Yomiuri Shimbun
8:42 pm, December 05, 2014

The nation’s poultry farms and relevant ministries are on high alert over bird flu, with farmers busy inspecting and disinfecting chicken coops.

The tension is due to a series of cases in which highly pathogenic avian influenza viruses have been detected in migratory birds. No such viruses were detected in the three previous seasons, but four cases have already been reported since November this year. A season is defined as October to May of the following year.

In some Asian nations that serve as stopovers for migratory birds, the viruses have been spreading throughout poultry plants and other facilities.

The H5 and H7 strains are among the highly toxic varieties of bird flu. Although it does not usually infect people, some rare cases of human infection have been reported in China and other countries.

Poultry farms nervous

“There’s nothing we can do to stop migratory birds from coming,” said a 35-year-old female employee of a poultry farm in Saitama Prefecture. “I’m concerned that birds carrying the virus could enter the poultry housing.” The farm’s chicken facilities, which are home to about 7,000 birds, are covered with netting to prevent the intrusion of wild birds. These nets are checked often and mended immediately if any tears are discovered. Access to the housing is restricted to staff only, and workers’ boots are sanitized regularly to prevent the transmission of viruses.

A farming center of the Tokyo Development Foundation for Agriculture, Forestry and Fisheries, in Ome, Tokyo, raises an original breed of silky fowl known as Tokyo Ukokkei and sells chicks to poultry farmers. The center has been keeping anyone who is not a staff member away from the chicken coop, and employees must put on special work clothes before entering the facility.

“If an outbreak were to occur at the center, the Tokyo Ukokkei would be extinguished,” said one worker.

2011 pandemic revisited

This season’s first highly pathogenic flu virus in a migrating bird was found in Yasugi, Shimane Prefecture, on Nov. 13. It was followed by additional cases in the town of Nagara in Chiba Prefecture and Tottori. In the first case, the H5N8 subtype was detected in the droppings of migratory Bewick’s swans. On Nov. 29, the virus was found in a debilitated white-naped crane in Izumi, Kagoshima Prefecture, the nation’s largest wintering spot for cranes.

The previous time that a highly pathogenic virus was detected in migratory birds in the nation was in May 2011. During that season, the number of confirmed infections reached 60. As the infections spread to poultry farms, about 1.85 million birds had to be slaughtered in nine prefectures, including Miyazaki, Aichi and Chiba.

In April this year, bird flu was confirmed at a poultry house in Kumamoto Prefecture, though the case’s relation to migratory birds is not clear. About 110,000 specimens were culled.

“Avian flu viruses have been confirmed one after another since late autumn, and the situation looks similar to the pandemic four years ago,” said an Environment Ministry official.

Outbreak in Asia

There is also growing concern about bird flu due to the spread of infections in Asian nations that serve as stopover spots or breeding sites for migratory birds that fly to and from Japan.

South Korea has experienced continuous epidemics over the past year since last season, according to the Agriculture, Forestry and Fisheries Ministry. The number of domestic chickens infected with flu viruses reached a record high of 245 after January, and at least 14 million birds were slaughtered. In China, about 50 cases of highly pathogenic flu viruses have been detected since September.

In response, the Environment Ministry has tightened monitoring by raising the nationwide bird flu alert level from 2 to 3, the highest level, and increasing the frequency of virus tests. The agriculture ministry issued a statement to prefectures across the nation requesting thorough measures to prevent infection, stating that any poultry farm can fall victim to an outbreak of bird flu, and emphasizing the heightened alert.

http://the-japan-news.com/news/article/0001769306

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