Vietnam - 3 new outbreaks of highly pathogenic avian influenza H5N1 in birds in villages, Can Tho, Dong Thap, Vinh Long (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%"]Immediate notification[/TD]

[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]16/04/2020[/TD]

[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]17/04/2020[/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%"]19/03/2020[/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%"]H5N1[/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]

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[TD]New outbreaks (3)[/TD]
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Truong Lac, Truong Lac, O Mon, Can Tho
Date of start of the outbreak	16/04/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Village
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1970 1970 1500 470 0

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

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An Nhon, An Nhon, Chau Thanh, Dong Thap
Date of start of the outbreak	23/04/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Village
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 300 300 260 40 0

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

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An Phuoc, An Phuoc, Mang Thit, Vinh Long
Date of start of the outbreak	27/04/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Village
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 800 800 400 400 0

[TD="align: left"]Outbreak 3[/TD]

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Total outbreaks: 3
Total animals affected	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 3070 3070 2160 910 0
Outbreak statistics	Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 100.00% 70.36% 70.36% 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	Vaccination permitted (if a vaccine exists) No treatment of affected animals
Measures to be applied	Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Stamping out Disinfection

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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=34293