[TABLE="border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD]
[TD="width: 1%"]
[/TD]
[TD="align: left"]Highly pathogenic avian influenza,
Japan[/TD]
[TD="width: 1%, align: right"] [/TD]
[/TD]
[/TR]
[TR]
[TD] [TABLE="border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD]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[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD]Summary
[/TD]
[/TR]
[TR]
[TD]New outbreaks (4)[/TD]
[/TR]
[TR]
[TD]
| 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) |
[TD="align: left"]Outbreak 1[/TD]
[/TD]
[/TR]
[TR]
[TD]
| 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) |
[TD="align: left"]Outbreak 2[/TD]
[/TD]
[/TR]
[TR]
[TD]
| 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) |
[TD="align: left"]Outbreak 3[/TD]
[/TD]
[/TR]
[TR]
[TD]
| 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) |
[TD="align: left"]Outbreak 4[/TD]
[/TD]
[/TR]
[TR]
[TD]
| 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% |
|
| |
| |
[TD="align: left"]Summary of outbreaks[/TD]
[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]
[TD="colspan: 2"]**Not calculated because of missing information[/TD]
[/TD]
[/TR]
[TR]
[TD]Epidemiology
| Source of the outbreak(s) or origin of infection |
|
| 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. |
[/TD]
[/TR]
[TR]
[TD] [/TD]
[/TR]
[TR]
[TD]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 |
|
[/TD]
[/TR]
[TR]
[TD]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 |
[/TD]
[/TR]
[TR]
[TD]Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |
[/TD]
[/TR]
[TR]
[TD]
| Map of outbreak locations |
[/TD]
[/TR]
[/TABLE]
https://www.oie.int/wahis_2/public/...?page_refer=MapFullEventReport&reportid=37412