OIE: Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), Japan

OIE: Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), Japan
submited by kickingbird at Jan, 23, 2018 20:27 PM from OIE

Information received on 22/01/2018 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	Follow-up report No. 3
Date of start of the event	05/11/2017
Date of confirmation of the event	09/11/2017
Report date	22/01/2018
Date submitted to OIE	22/01/2018
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	08/03/2017
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic influenza A virus
Serotype	H5N6
Nature of diagnosis	Laboratory (basic), Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (10/11/2017) Follow-up report No. 1 (13/11/2017) Follow-up report No. 2 (24/11/2017) Follow-up report No. 3 (22/01/2018)

New outbreaks (1)

Outbreak 1

Ota ward, TOKYO

Date of start of the outbreak

05/01/2018

Outbreak status

Resolved (05/01/2018)

Epidemiological unit

Not applicable

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Northern Goshawk:Accipiter gentilis(Accipitridae)		1	1	0	0

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Northern Goshawk:Accipiter gentilis(Accipitridae)		1	1	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Northern Goshawk:Accipiter gentilis(Accipitridae)	**	**	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 5th January, one Accipiter gentilis (Northern Goshawk) was found dead in Ota ward. On 10th January, a sample derived from it tested positive for influenza A virus by the National Institute for Environmental Studies. On 17th January, a sample was confirmed as positive for H5N6 subtype of higly pathogenic influenza A virus by the National Institute of Animal Health. Enhanced monitoring of wild birds is ongoing within a ten-kilometer radius of the site.

Control measures

Measures applied	Screening 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
National Institute for Environmental Studies (National laboratory)	Northern Goshawk	reverse transcription - polymerase chain reaction (RT-PCR)	10/01/2018	Positive
National Institute of Animal Health (National laboratory)	Northern Goshawk	virus isolation	17/01/2018	Positive
National Institute of Animal Health (National laboratory)	Northern Goshawk	virus sequencing	17/01/2018	Positive

Future Reporting

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

See Also:

http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=25734

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