Japan - HP H5N8 avian flu confirmed in poultry - 2020/2021 - 36 farms in 15 prefectures affected

[Gert van der Hoek]

Confirmation of pseudo-patients with highly pathogenic avian influenza in Kagoshima Prefecture (36th domestic poultry case)


On January 13, 3rd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 36th case in Japan, was confirmed at a poultry farm in Satsuma-cho, Satsuma-gun, Kagoshima Prefecture. In response to this report, we will strengthen the surveillance of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird surveillance.

[Gert van der Hoek]

January 12, 3rd year of Reiwa

Confirmation of pseudo-patients with highly pathogenic avian influenza in Chiba Prefecture (35th domestic poultry case)


On January 11, 1991, at a poultry farm in Isumi City, Chiba Prefecture, it was reported that the 35th case of highly pathogenic avian influenza in domestic poultry was confirmed. In response to this report, we will strengthen the surveillance of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird surveillance.

[Gert van der Hoek]

Bird Flu Outbreak Confirmed in Kagoshima Pref.


Kagoshima, Jan. 13 (Jiji Press)--The prefectural government of Kagoshima, southwestern Japan, said Wednesday that an outbreak of avian influenza believed to be highly pathogenic has been confirmed at a chicken farm in the town of Satsuma.

Kagoshima is the 15th Japanese prefecture to report a farm outbreak of such bird flu this season.

This is the prefecture's first bird flu outbreak at a farm in 10 years.

Kagoshima Prefecture started the work to cull all of some 32,600 chickens at the farm in Satsuma to prevent the spread of the infectious disease.
The prefectural government prohibited poultry farms within 3 kilometers of the affected facility from transferring their chickens and eggs and banned farms within 3 to 10 kilometers from moving their chickens and eggs outside the 10-kilometer zone.

[sharon sanders]

Highly pathogenic avian influenza, Japan

Information received on 04/01/2021 from Dr Norio Kumagai, Director, Chief Veterinary Officer, Animal Health Division, Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, Tokyo, Japan

Summary Report type Follow-up report No. 9 Date of start of the event 04/11/2020 Date of confirmation of the event 04/11/2020 Report date 04/01/2021 Date submitted to OIE 04/01/2021 Reason for notification Recurrence of a listed disease Date of previous occurrence 14/01/2018 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (06/11/2020) Follow-up report No. 1 (09/11/2020) Follow-up report No. 2 (12/11/2020) Follow-up report No. 3 (18/11/2020) Follow-up report No. 4 (15/12/2020) Follow-up report No. 5 (22/12/2020) Follow-up report No. 6 (25/12/2020) Follow-up report No. 7 (28/12/2020) Follow-up report No. 8 (28/12/2020) Follow-up report No. 9 (04/01/2021)

New outbreaks (4)

Outbreak 1 Mitoyo-City 18, Kagawa Date of start of the outbreak 22/12/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 25000 44 44 24956 0 Affected population Poultry(broiler)

Outbreak 2 Isumi-City 1, Chiba Date of start of the outbreak 23/12/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1160000 222 222 1159778 0 Affected population Poultry(layer)

Outbreak 3 Kobayashi-City 2, Miyazaki Date of start of the outbreak 29/12/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 154000 22 22 153978 0 Affected population Poultry(broiler)

Outbreak 4 Minokamo-City 1, Gifu Date of start of the outbreak 01/01/2021 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 68000 0 68000 0 Affected population Poultry(layer)

Summary of outbreaks Total outbreaks: 4 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1407000 288 ** 288 1406712 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds ** 0.02% ** 100.00% *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 As of the outbreak 1 (Mitoyo-City 18) in this report (Case 31): On 22 December 2020, local veterinary service in Kagawa Pref. received notification from a broiler farm and confirmed influenza A virus by antigen-capture kits. On 23 December 2020, LHSC confirmed H5 by RT-PCR and RRT-PCR. On 24 December, stamping-out was completed. On 25 December, NIAH confirmed H5N8 HPAI by RT-PCR and sequencing. On 25 December, control measures (including disinfection) were completed. As of the outbreak 2 (Isumi-City 1) in this report (Case 32): On 23 December 2020, local veterinary service in Chiba Pref. received notification from a layer farm and confirmed influenza A virus by antigen-capture kits. On 24 December, LHSC confirmed H5 by RT-PCR and RRT-PCR. On 24 December, NIAH confirmed H5N8 HPAI by RT-PCR and sequencing. On 2 January 2021, stamping-out was completed. As of the outbreak 3 (Kobayashi-City 2) in this report (Case 33): On 29 December 2020, local veterinary service in Miyazaki Pref. received notification from a broiler farm and confirmed influenza A virus by antigen-capture kits. On 30 December, LHSC confirmed H5 by RT-PCR and RRT-PCR. On 30 December, stamping-out was completed. On 31 December, NIAH confirmed H5N8 HPAI by RT-PCR and sequencing. On 31 December, control measures (including disinfection) were completed. As of the outbreak 4 (Minokamo-City 1) in this report (Case 34): On 1 January 2021, local veterinary service in Gifu Pref. received notification from a layer farm and confirmed influenza A virus by antigen-capture kits. On 2 January, LHSC confirmed H5 by RT-PCR and RRT-PCR. On 3 January, NIAH confirmed H5N8 HPAI by RT-PCR and sequencing. Stamping out is being carried out. Movement and shipment restrictions have been imposed on these farms within a radius of 3 km and 3-10 km of the affected farm, respectively. Follow-up information on the Case 9 (Munakata-City 1), the Case 10 (Awaji-City 1), the Case 11 (Hyuga-City 1) and the Case 12 (Tsuno-Town 1) reported in the Follow-up report No.4; As of the Case 9 (Munakata-City 1); On 14 December, shipment restrictions were lifted. On 20 December, movement restrictions were lifted. As of the Case 10 (Awaji-City 1); On 14 December, shipment restrictions were lifted. On 25 December, movement restrictions were lifted. As of the Case 11 (Hyuga-City 1); On 13 December, shipment restrictions were lifted. On 24 December, movement restrictions were lifted. As of the Case 12 (Tsuno-Town 1); On 17 December, shipment restrictions were lifted. On 24 December, movement restrictions were lifted. Follow-up information on the Case 15 (Miyakonojo-City 1) reported in the Follow-up report No.5; As of the Case 15 (Miyakonojo-City 1); On 23 December, shipment restrictions were lifted. Follow-up information on the Case 16 (Gojo-City 1), the Case 17 (Mihara-City 1), the Case 18 (Miyakonojo-City 2), the Case 19 (Kobayashi-City 1) and the Case 20 (Saeki-City 1) reported in the Follow-up report No.6; As of the Case 16 (Gojo-City 1); On 27 December, shipment restrictions were lifted. On 2 January, movement restrictions were lifted. As of the Case 17 (Mihara-City 1); On 2 January, shipment restrictions were lifted. As of the Case 18 (Miyakonojo-City 1); On 23 December, shipment restrictions were lifted. As of the Case 19 (Kobayashi-City 1); On 23 December, shipment restrictions were lifted. As of the Case 20 (Saeki-City 1); On 27 December, shipment restrictions were lifted. On 2 January, movement restrictions were lifted.

Control measures Measures applied Movement control inside the country Screening Quarantine Stamping out Disinfection 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 Livestock Hygiene Service Centre (Local laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 24/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 24/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 30/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 02/01/2021 Positive Livestock Hygiene Service Centre (Local laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 24/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 24/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 30/12/2020 Positive Livestock Hygiene Service Centre (Local laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 02/01/2021 Positive National Institute of Animal Health (National laboratory) Birds gene sequencing 24/12/2020 Positive National Institute of Animal Health (National laboratory) Birds gene sequencing 25/12/2020 Positive National Institute of Animal Health (National laboratory) Birds gene sequencing 25/12/2020 Positive National Institute of Animal Health (National laboratory) Birds gene sequencing 31/12/2020 Positive National Institute of Animal Health (National laboratory) Birds gene sequencing 03/01/2021 Positive National Institute of Animal Health (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 24/12/2020 Positive National Institute of Animal Health (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 25/12/2020 Positive National Institute of Animal Health (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 25/12/2020 Positive National Institute of Animal Health (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 31/12/2020 Positive National Institute of Animal Health (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 03/01/2021 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

Map of outbreak locations

https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=37412

[Gert van der Hoek]

Bird Flu Outbreak Confirmed in Gifu Pref.

Gifu, Jan. 2 (Jiji Press)--The prefectural government of Gifu, central Japan, said Saturday that an outbreak of avian influenza believed to be highly pathogenic has been confirmed at a chicken farm in the city of Minokamo.

It is the first time that a farm outbreak of such bird flu has been reported in the prefecture this season. Gifu thus became the 14th Japanese prefecture to confirm such an outbreak.

All chickens at the Minokamo farm, totaling 68,000, will be killed. The prefectural government will urge farms within a 3-kilometer radius of the affected farm not to move their chickens or eggs.

[Gert van der Hoek]

Confirmation of pseudo-patients with highly pathogenic avian influenza in Gifu Prefecture (34th domestic poultry)


On January 2, 1991, at a poultry farm in Minokamo City, Gifu Prefecture, it was reported that the 34th case of highly pathogenic avian influenza in Japan was confirmed. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

[Gert van der Hoek]

Bird Flu Spreads to Chiba, 1st in Eastern Japan

Chiba, Dec. 24 (Jiji Press)--Chiba Prefecture announced Thursday an outbreak of avian influenza believed to be highly pathogenic at a chicken farm in the city of Isumi in the eastern Japan prefecture.

Since November, farm outbreaks of such bird flu have occurred in 12 prefectures, including the western prefecture of Kagawa and the southwestern prefecture of Miyazaki. Chiba is the 13th prefecture to report an outbreak this year and the first to do so in eastern Japan.

Chiba has the second-largest number of farmed egg-laying hens in the country, after Ibaraki Prefecture, also in eastern Japan.

The affected poultry farm is one of the largest of its kind in the nation.

To stem the spread of the infection, the Chiba prefectural government will cull all of some 1.16 million chickens at the farm, the biggest number ever in a single bird flu outbreak case in Japan.

[Gert van der Hoek]

Confirmation of pseudo-patients with highly pathogenic avian influenza in Tokushima Prefecture (29th domestic poultry)

On December 18, 2nd year of Reiwa, there was a report that a pseudo-patient with highly pathogenic avian influenza, which was the 29th case in Japan, was confirmed at a poultry farm in Awa City, Tokushima Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.


Confirmation of pseudo-patients with highly pathogenic avian influenza in Miyazaki Prefecture (30th domestic poultry)

On December 18, 2nd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 30th case in Japan, was confirmed at a poultry farm in Miyazaki City, Miyazaki Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

[Shiloh]

Source: https://english.kyodonews.net/news/2...-in-japan.html

Bird flu confirmed in Tokushima, Miyazaki as outbreak spreads in Japan
KYODO NEWS KYODO NEWS - 3 hours ago - 21:21 | All, Japan

Bird flu has been detected at chicken farms in the western Japanese prefectures of Tokushima and Miyazaki, leading to the culling of tens of thousands of chickens as the outbreak continues to spread in the country, the local governments said Saturday.

The H5 strain, yet to be confirmed as a highly pathogenic type, was detected for the first time in Tokushima, making it the 12th prefecture to report an avian flu outbreak case this year.

The farm in Awa, Tokushima, bordering Kagawa Prefecture where the year's first case of flu was confirmed, initially planned to cull 10,000 chickens but ended up with around 8,000 eventually.

There are 10 other farms keeping about 175,000 chickens within a 3-kilometer radius of the affected Tokushima farm, with all farms prohibited from moving eggs or chickens from the premises, according to the local government...

[sharon sanders]

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[Gert van der Hoek]

[Gert van der Hoek]

Confirmation of pseudo-patients with highly pathogenic avian influenza in Kochi Prefecture (27th domestic poultry case)


On December 16, 2nd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 27th case in Japan, was confirmed at a poultry farm in Sukumo City, Kochi Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

Avian influenza virus detected at a poultry farm in Kochi Prefecture First in the prefecture

December 16, 2020 6:42

A chicken was found dead at a poultry farm in Sukumo City, Kochi Prefecture, and as a result of inspection, "H5 type" avian influenza virus was detected. This is the first confirmation of infection at a poultry farm in Kochi prefecture.
According to Kochi Prefecture, on the 15th, an official at a poultry farm in Sukumo City, Kochi Prefecture, reported that about 40 chickens were dead, and when the prefecture conducted a simple inspection, a reaction suspected of bird flu came out. It was.
Therefore, as a result of genetic testing by Kochi Prefecture, "H5 type" avian influenza virus was detected.
Kochi Prefecture has decided to dispose of approximately 32,000 chickens in this poultry farm.

https://www3.nhk.or.jp/news/html/20201216/k10012766371000.html

Confirmation of pseudo-patients with highly pathogenic avian influenza in Kagawa Prefecture (28th domestic poultry)


On December 16, 2nd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 28th case in Japan, was confirmed at a poultry farm in Mitoyo City, Kagawa Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

[Gert van der Hoek]

Confirmation of pseudo-patients with highly pathogenic avian influenza in Miyazaki Prefecture (24th domestic poultry)


On December 14, 2nd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 24th case in Japan, was confirmed at a poultry farm in Miyazaki City, Miyazaki Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

Confirmation of pseudo-patients with highly pathogenic avian influenza in Kagawa Prefecture (25th domestic poultry)


On December 14, 2nd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 25th case in Japan, was confirmed at a poultry farm in Mitoyo City, Kagawa Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

Confirmation of pseudo-patients with highly pathogenic avian influenza in Miyazaki Prefecture (26th domestic poultry)


On December 14, 2nd year of Reiwa, there was a report that a pseudo-patient with highly pathogenic avian influenza, which was the 26th case in Japan, was confirmed at a poultry farm in Hyuga City, Miyazaki Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

[Gert van der Hoek]

Confirmation of pseudo-patients with highly pathogenic avian influenza in Shiga Prefecture (23rd domestic poultry)


On December 13, 2nd year of Reiwa, it was reported that a pseudo-patient with highly pathogenic avian influenza, the 23rd case in Japan, was confirmed at a poultry farm in Higashiomi City, Shiga Prefecture. In response to this report, we will strengthen the monitoring of wild birds by designating the area within a radius of 10 km around the outbreak farm as a priority area for wild bird monitoring.

[Shiloh]

Source: https://www.japantimes.co.jp/news/20...ure-this-year/

Bird flu confirmed in Shiga, 10th prefecture this year
Dec 13, 2020

Otsu, Shiga Pref. – Bird flu has been detected at a chicken farm in the western prefecture of Shiga, its local government said Sunday, prompting authorities to start culling around 11,000 chickens.

The H5 strain made Shiga the 10th Japanese prefecture to experience an avian flu outbreak this year. All cases have been centered in western Japan.

The farm in Higashiomi on Saturday reported to the local government that over 50 chickens had died. A polymerase chain reaction test in the early hours Sunday following a preliminary test on Saturday confirmed H5 virus infection, according to the Shiga government...