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OIE: Highly pathogenic avian influenza, China (People´s Rep. of), (Follow-up report No. 6)
submited by kickingbird at Aug, 16, 2015 11:5 AM from OIE

Information received on 14/08/2015 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. 6
Date of start of the event 21/12/2013
Date of confirmation of the event 21/12/2013
Report date 14/08/2015
Date submitted to OIE 14/08/2015
Reason for notification New strain of a listed disease
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N2
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (21/12/2013)
Follow-up report No. 1 (20/01/2014)
Follow-up report No. 2 (28/02/2014)
Follow-up report No. 3 (24/10/2014)
Follow-up report No. 4 (28/01/2015)
Follow-up report No. 5 (01/04/2015)
Follow-up report No. 6 (14/08/2015)
New outbreaks (1)
Outbreak 1 Farm, Jiangdu District, Yangzhou, JIANGSU
Date of start of the outbreak 03/08/2015
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 53358 23395 3106 50252 0
Affected population Geese
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 53358 23395 3106 50252 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 43.85% 5.82% 13.28% 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
  • Movement control inside the country
  • Disinfection / Disinfestation
  • Stamping out
  • Zoning
  • No vaccination
  • 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 veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 11/08/2015 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) Birds virus isolation 11/08/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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