Title: Highly pathogenic #avian #influenza #H5N6, #Japan [a #poultry #outbreak].
Subject: Avian Influenza, H5N6 subtype, poultry epizootics in Japan.
Source: OIE, full page: (LINK). Excerpts.
Code: [ ]
Highly pathogenic avian influenza H5N6, Japan
Information received on 28/12/2016 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
- Report type Follow-up report No. 3
- Date of start of the event 28/11/2016
- Date of confirmation of the event 28/11/2016
- Report date 26/12/2016
- Date submitted to OIE 28/12/2016
- Reason for notification Reoccurrence of a listed disease
- Date of previous occurrence 17/02/2015
- Manifestation of disease Clinical disease
- Causal agent Highly pathogenic avian influenza virus
- Serotype H5N6
- Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
- This event pertains to the whole country
- Summary of outbreaks
- Total outbreaks: 1
- Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
- Birds - 107000 - 50 - 50 - 0 – …
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds - 0.05% - 0.05% - 100.00% - **
- *Removed from the susceptible population through death, destruction and/or slaughter
- **Not calculated because of missing information
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Epidemiological comments
- Outbreak 1 (Aomori), 2 (Niigata, Sekikawa-mura) and 4 (Aomori, 2nd case) –follow up information of the previous reports
- On 27 December 2016 the movement restriction was lifted since 21 days had passed without any new outbreaks after control measures including stamping out had been completed on 5 December 2016.
- Outbreak 3 (Niigata, Joetsu-shi) –follow up information of the previous reports
- On 28 December 2016, the movement restriction was lifted since 21 days had passed without any new outbreaks after control measures including stamping out had been completed on 6 December 2016.
- Outbreak 5 (Hokkaido, Shimizu-cho) – follow up information of the previous reports
- On 20 November 2016, the N-type was identified as N6 by NIAH.
- On 24 December 2016, control measures including disinfection of the affected premises were completed.
- Outbreak 6 (Miyazaki, Kawaminami-cho) – follow up information of the previous reports
- On 21 December 2016, control measures including disinfection of the affected premises were completed.
- On 22 November 2016, the N-type was identified as N6 by NIAH.
- Outbreak 7 (Kumamoto) – this report
- On 26 December 2016, the local veterinary service in Kumamoto Prefecture received a notification from a domestic hen farm on an increase in the number of dead birds (50 birds on the same day).
- The samples were sent to the laboratory of local veterinary service (Kumamoto Livestock Hygiene Service Centre) and 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 and RRT-PCR in Kumamoto Livestock Hygiene Service Centre.
- Destruction of all the susceptible birds in the affected farm is being implemented.
- Movement restriction is imposed on the farms within a radius of 3km of the affected farm.
- Shipment restriction is imposed on the farms within a radius of 3-10kmof the affected farm.
- The N-type has not yet been identified.
Keywords: OIE; Updates; Avian Influenza; H5N6 ; Poultry; Japan.