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2020-9-23 20:22:32


OIE: Highly pathogenic avian influenza(H5N6), Vietnam
submited by kickingbird at Jul, 9, 2020 8:33 AM from OIE

Summary
Report type
Immediate notification
Date of start of the event
25/06/2020
Date of confirmation of the event
27/06/2020
Report date
08/07/2020
Date submitted to OIE
08/07/2020
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
06/06/2020
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N6
Nature of diagnosis
Clinical, Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (2)

Outbreak 1
Tinh Chau, Tinh Chau, Quang Ngai, Quang Ngai
Date of start of the outbreak
25/06/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Village
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
4500
3500
2987
1513
0
Outbreak 2
Binh Phuoc, Binh Phuoc, Binh Son, Quang Ngai
Date of start of the outbreak
29/06/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Village
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
3600
2000
1000
2600
0
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
8100
5500
3987
4113
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
67.90%
49.22%
72.49%
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
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 No.4 (RAHO4) (Regional Laboratory)
Birds
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
27/06/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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