Vietnam - 2 new outbreaks of highly pathogenic avian influenza H5N6 in birds in villages, Ninh Binh, Ha Noi (OIE, May 10, 2020)

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[TD="align: left"]Highly pathogenic avian influenza,
Vietnam[/TD]
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[TD]Information received on 10/05/2020 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hanoď, Vietnam[/TD]
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[TD]Summary

[TD="width: 10%"]Report type[/TD]
[TD="width: 30%"]Follow-up report No. 8[/TD]

[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]18/01/2020[/TD]

[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]21/01/2020[/TD]

[TD="width: 10%"]Report date[/TD]
[TD="width: 30%"]10/05/2020[/TD]

[TD="width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]10/05/2020[/TD]

[TD="width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Recurrence of a listed disease[/TD]

[TD="width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]15/11/2019[/TD]

[TD="width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Clinical disease[/TD]

[TD="width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Highly pathogenic avian influenza virus[/TD]

[TD="width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N6[/TD]

[TD="width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (advanced)[/TD]

[TD="width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]

[TD="width: 10%"]Related reports[/TD]
[TD="width: 30%"] Immediate notification (04/02/2020) Follow-up report No. 1 (09/02/2020) Follow-up report No. 2 (10/02/2020) Follow-up report No. 3 (12/02/2020) Follow-up report No. 4 (17/02/2020) Follow-up report No. 5 (25/02/2020) Follow-up report No. 6 (28/03/2020) Follow-up report No. 7 (11/04/2020) Follow-up report No. 8 (10/05/2020) [/TD]

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[TD]New outbreaks (2)[/TD]
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Yen Dong, Yen Dong, Yen Mo, Ninh Binh
Date of start of the outbreak	14/04/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Village
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 5833 1400 750 5083 0

[TD="align: left"]Outbreak 1[/TD]

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Vien An, Vien An, Ung Hoa, Ha Noi
Date of start of the outbreak	06/05/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Village
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 15305 9000 750 14555 0

[TD="align: left"]Outbreak 2[/TD]

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Total outbreaks: 2
Total animals affected	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 21138 10400 1500 19638 0
Outbreak statistics	Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 49.20% 7.10% 14.42% 100.00%

[TD="align: left"]Summary of outbreaks[/TD]

[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]

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[TD]Epidemiology

Source of the outbreak(s) or origin of infection

Unknown or inconclusive

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[TD]Control measures

Measures applied	Surveillance outside containment and/or protection zone Stamping out Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals
Measures to be applied	No other measures

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[TD]Future Reporting

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

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https://www.oie.int/wahis_2/public/w...reportid=34292