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2019-9-16 11:04:18


OIE: Highly pathogenic avian influenza, China (People´s Rep. of) (Follow-up report No. 5)
submited by kickingbird at Jun, 15, 2017 12:4 PM from OIE

Information received on 13/06/2017 from Dr Zhang Zhongqiu, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People´s Rep. of)
Summary
Report type Follow-up report No. 5
Date of start of the event 19/03/2017
Date of confirmation of the event 24/03/2017
Report date 13/06/2017
Date submitted to OIE 13/06/2017
Reason for notification New strain of a listed disease
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H7N9
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (24/03/2017)
Follow-up report No. 1 (12/05/2017)
Follow-up report No. 2 (24/05/2017)
Follow-up report No. 3 (01/06/2017)
Follow-up report No. 4 (12/06/2017)
Follow-up report No. 5 (13/06/2017)
New outbreaks (3)
Outbreak 1 Guilin City, Yanshan District, GUANGXI
Date of start of the outbreak 19/03/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1
Affected population A positive sample in a poultry farm
Outbreak 2 East Gate Market, Shanghang County, Longyan City, FUJIAN
Date of start of the outbreak 30/03/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Livestock market
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1
Affected population A positive sample in a market
Outbreak 3 Jiuyuan District, Baotou, INNER MONGOLIA
Date of start of the outbreak 05/06/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 55023 3850 2056 52967 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 55023 3852 2056 52967 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Movement control inside the country
  • Screening
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • 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
Harbin National Reference Laboratory for Avian Influenza (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 12/06/2017 Positive
Harbin National Reference Laboratory for Avian Influenza (OIE Reference Laboratory) Birds virus isolation 12/06/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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