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Kyodo News International November 13, 2014 11:18am
Bird flu detected in swan droppings in Shimane, western Japan
Bird flu virus was detected in swan droppings collected earlier this month in the western Japan prefecture of Shimane, local government officials said Thursday.
The virus found in Tundra swan droppings was the H5N8 variant...
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
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.
Avian Influenza Virus Detected in Southwest Japan: Reports © AP Photo/ Kumamoto Prefecture
ASIA & PACIFIC
10:59 27.11.2014(updated 12:00 27.11.2014)
4900
The H5N8 subtype of the highly pathogenic avian influenza virus has been detected in Japan.
© SPUTNIK. A.KORNYUSHENKO
TOKYO, November 27 (Sputnik) – A highly pathogenic avian influenza type H5N8 was discovered in the south-western Tottori Prefecture in Japan, Kyodo news agency reported Thursday.
The virus was detected in the analysis of duck fecal samples taken on November 18, according to the agency.
Japan's Ministry of the Environment has established a 10-kilometer (6-mile) monitoring zone in the region, where the virus was detected. It is yet unknown if the government is planning to test wild birds for the disease, according to Kyodo.
...
Information received on 16/12/2014 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan
Summary
Report type - Follow-up report No. 4
Date of start of the event - 03/11/2014
Date of pre-confirmation of the event - 13/11/2014
Report date - 16/12/2014
Date submitted to OIE - 16/12/2014
Reason for notification - Reoccurrence of a listed disease
Date of previous occurrence - 16/04/2014
Manifestation of disease - Clinical disease Causal agent - Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis - Clinical, Laboratory (advanced)
This event pertains to - the whole country
Summary of outbreaks
Total outbreaks: 4
Total animals affected
Species/ Susceptible/ Cases/ Deaths/ Destroyed /Slaughtered
Outbreaks in wild birds Case 1: A weakened Grus vipio (white-naped crane) was collected on 23 November 2014 and tested at Kagoshima University. It was confirmed on 29 November 2014 that the bird was infected with H5N8 influenza A virus. The result of gene sequencing indicated that a HA0 cleavage site of the amino acid sequence was consistent with that of highly pathogenic avian influenza virus.
Case 2: Water collected from roost* of cranes on 1 December 2014 was tested against avian influenza virus. It was confirmed on 6 December 2014 that H5N8 influenza A virus was detected in a sample. The result of gene sequencing indicated that a HA0 cleavage site of the amino acid sequence was consistent with that of highly pathogenic avian influenza virus. *artificial wet paddy in a nationally-designated bird sanctuary in Izumi-shi
Case 3: A dead Grus monacha (hooded crane) was collected on 7 December 2014 and tested against avian influenza virus. It was confirmed on 10 December 2014 that the bird was infected with H5N8 influenza A virus. The result of gene sequencing indicated that a HA0 cleavage site of the amino acid sequence was consistent with that of highly pathogenic avian influenza virus.
Outbreak in domestic birds On 15 December 2014, the local veterinary service in Miyazaki Prefecture received a notification from a broiler breeder farm on an increase in the number of dead birds (one bird on 13 December, 12 birds on 14 December and 19 birds on 15 December). The samples were sent to the laboratory of local veterinary service (Miyazaki Livestock Hygiene Centre) and the samples from dead birds were confirmed to be influenza A virus positive by antigen-capture kits. On the same day, the centre started RT-PCR test and confirmed that the subtype was H5 on 16 December 2014 (midnight of 15 December 2014). Stamping-out policy was applied to the affected farm. Destruction of all the susceptible birds in the affected farm (approx. 4,000 birds) was completed in the morning of 16 December 2014. Movement restrictions are imposed on the farms within the radius of 3km of the affected farm. Shipment restrictions are imposed on the farms within the radius of 3-10km of the affected farm. The N-type has not yet been identified.
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