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2020-5-25 12:14:21


OIE: Highly pathogenic avian influenza(H5N1), Vietnam
submited by kickingbird at May, 16, 2020 10:40 AM from OIE

Summary
Report type Immediate notification
Date of start of the event 16/04/2020
Date of confirmation of the event 17/04/2020
Report date 10/05/2020
Date submitted to OIE 10/05/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 19/03/2020
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (3)
Outbreak 1 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
Outbreak 2 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
Outbreak 3 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
Summary of outbreaks 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%
*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
  • 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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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