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2022-8-12 5:36:12


OIE: High pathogenicity avian influenza viruses (poultry) (infection with H5N1), Viet Nam
submited by kickingbird at Jan, 8, 2022 16:49 PM from OIE

Summary
Report type: immediate notification
Started on: 12 Oct 2021
Confirmed: 13 Oct 2021
Reported: 7 Jan 2022
Last occurrence: 18 Jun 2021
Disease: High pathogenicity avian influenza viruses (poultry)
Causal agent: Highly pathogenic avian influenza virus
Genotype / serotype/ subtype:H5N1
Species: birds
Reason of notification: recurrence of an eradicated disease
Nature of diagnosis: clinical, laboratory
Status: resolved
This event pertains to the whole country

Summary of outbreaks
Started: 12 Oct 2021
Total outbreaks: 5
[The report includes details of 5 new outbreaks in Long Binh (1),
Thanh Binh (1), Hai Thuong (1), Yen Thai (1), and Quynh Xuan (1).
Details of each outbreak are available at the source URL above.]
Total animals affected
Species / susceptible / cases / deaths / killed and disposed of /
slaughtered or killed for commercial use / vaccinated / morbidity
(calculated) / mortality (calculated)
Birds / 18 144 / 10 835 / 6810 / 11 334 / 0 / - / - / -

Epidemiology
Source of event or origin of infection: unknown or inconclusive
Epidemiological comments: the outbreaks ob_95018-Long Binh,
ob_95022-Thanh Binh, ob_95020-Yen Thai, and ob_95019-Quynh Xuan,
initially notified in the report FUR_152646 (evt_3790) as H5N8,
actually belong to the H5N1 subtype, hence this separate event. They
will be removed from the H5N8 event.

Control measures at event level
Domestic control measures
Applied: surveillance outside containment and or the protection zone;
surveillance within containment and or the protection zone;
vaccination in response to the outbreak(s); stamping out;
disinfection
Wild control measures
Applied: surveillance outside containment and or the protection zone;
surveillance within containment and or the protection zone

Diagnostic test results
Test name / category / test type / laboratory / species sampled /
outbreaks / test date
Real-time reverse transcription polymerase chain reaction (rRT-PCR) /
nucleic acid detection / laboratory test / Regional Animal Health
Office (RAHO 6) national laboratory / birds / 1 /
See Also: Latest news in those days:

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