OIE: Highly pathogenic avian influenza(H5N1), Vietnam

OIE: Highly pathogenic avian influenza(H5N1), Vietnam
submited by kickingbird at Feb, 22, 2020 10:55 AM from OIE

Information received on 17/02/2020 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam

Summary

Report type	Immediate notification
Date of start of the event	11/02/2020
Date of confirmation of the event	14/02/2020
Report date	17/02/2020
Date submitted to OIE	17/02/2020
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	04/06/2019
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	a defined zone within the country

New outbreaks (2)

Outbreak 1

Chau Dien, Chau Dien, Cau Ke, Tra Vinh

Date of start of the outbreak

11/02/2020

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Village

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	204	190	14	190	0

Outbreak 2

Hoa An, Hoa An, Cau Ke, Tra Vinh

Date of start of the outbreak

11/02/2020

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Village

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	1500	500	400	1100	0

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	1704	690	414	1290	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	40.49%	24.30%	60.00%	100.00%

*Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection

Unknown or inconclusive

Control measures

Measures applied	Surveillance outside containment and/or protection zone Surveillance within 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

Diagnostic test results

Laboratory name and type	Species	Test	Test date	Result
Regional Animal Health Office 7 (RAHO7) (Regional Laboratory)	Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	14/02/2020	Positive

Future Reporting

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

See Also:

https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=33305

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