niman Posted November 22, 2016 Report Share Posted November 22, 2016 On 15th November 2016, one death case of Cygnus atratus (black swan) was found in the zoo and its sample was tested by antigen-capture kit with positive result for influenza A virus. On 17th November 2016, another death case of Cygnus atratus was found in the same facility and positive result was gained by antigen-capture kit. On 21st November 2016, the two dead cases were confirmed to be positive for H5N6 subtype influenza A virus. http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=21608 Link to comment Share on other sites More sharing options...
niman Posted November 22, 2016 Author Report Share Posted November 22, 2016 Highly pathogenic avian influenza, Japan Information received on 22/11/2016 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 Summary Report type Immediate notification Date of start of the event 15/11/2016 Date of confirmation of the event 21/11/2016 Report date 21/11/2016 Date submitted to OIE 22/11/2016 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 a defined zone within the country New outbreaks (2) Outbreak 1 Akita-shi, AKITA Date of start of the outbreak 15/11/2016 Outbreak status Resolved (15/11/2016) Epidemiological unit Zoo Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Black Swan:Cygnus atratus(Anatidae) 1 1 0 0 Outbreak 2 Akita-shi, AKITA Date of start of the outbreak 17/11/2016 Outbreak status Resolved (17/11/2016) Epidemiological unit Zoo Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Black Swan:Cygnus atratus(Anatidae) 1 1 0 0 Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Black Swan:Cygnus atratus(Anatidae) 2 2 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Black Swan:Cygnus atratus(Anatidae) ** ** 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 On 15th November 2016, one death case of Cygnus atratus (black swan) was found in the zoo and its sample was tested by antigen-capture kit with positive result for influenza A virus. On 17th November 2016, another death case of Cygnus atratus was found in the same facility and positive result was gained by antigen-capture kit. On 21st November 2016, the two dead cases were confirmed to be positive for H5N6 subtype influenza A virus. Control measures Measures applied Screening 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 Hokkaido University (OIE Reference Laboratory) Black Swan haemagglutination inhibition test (HIT) 19/11/2016 Positive Hokkaido University (OIE Reference Laboratory) Black Swan neuraminidase inhibition assay 20/11/2016 Positive Hokkaido University (OIE Reference Laboratory) Black Swan reverse transcription - polymerase chain reaction (RT-PCR) 19/11/2016 Positive Hokkaido University (OIE Reference Laboratory) Black Swan reverse transcription - polymerase chain reaction (RT-PCR) 20/11/2016 Positive Hokkaido University (OIE Reference Laboratory) Black Swan virus isolation 19/11/2016 Positive Hokkaido University (OIE Reference Laboratory) Black Swan virus sequencing 21/11/2016 Positive Future Reporting The event is continuing. Weekly follow-up reports will be submitted. Map of outbreak locations Link to comment Share on other sites More sharing options...
niman Posted November 22, 2016 Author Report Share Posted November 22, 2016 Map Update https://www.google.com/maps/d/edit?hl=en&hl=en&authuser=0&authuser=0&mid=1qGSwDIT9mRts9KM-a2v5DRfRPnw&ll=39.67499263219223%2C140.07468597459103&z=12 Link to comment Share on other sites More sharing options...
niman Posted November 22, 2016 Author Report Share Posted November 22, 2016 Link to comment Share on other sites More sharing options...
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