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2022-8-17 0:32:44


OIE: Low pathogenic avian influenza (poultry),China (People´s Rep. of), (Follow-up report No. 16)
submited by kickingbird at May, 7, 2014 10:14 AM from OIE

Information received on 07/05/2014 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. 16
Date of start of the event 04/04/2013
Date of pre-confirmation of the event 04/04/2013
Report date 06/05/2014
Date submitted to OIE 07/05/2014
Reason for notification New strain of a listed disease
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H7N9
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (04/04/2013)
Follow-up report No. 1 (05/04/2013)
Follow-up report No. 2 (10/04/2013)
Follow-up report No. 3 (16/04/2013)
Follow-up report No. 4 (22/04/2013)
Follow-up report No. 5 (24/04/2013)
Follow-up report No. 6 (26/04/2013)
Follow-up report No. 7 (05/05/2013)
Follow-up report No. 8 (09/05/2013)
Follow-up report No. 9 (21/05/2013)
Follow-up report No. 10 (16/01/2014)
Follow-up report No. 11 (26/01/2014)
Follow-up report No. 12 (11/02/2014)
Follow-up report No. 13 (28/02/2014)
Follow-up report No. 14 (07/03/2014)
Follow-up report No. 15 (21/03/2014)
Follow-up report No. 16 (06/05/2014)
New outbreaks (4)
Outbreak 1 Live bird market, Boluo, Huizhou, GUANGDONG
Date of start of the outbreak 22/04/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1 0 0 0
Affected population 195 samples (all chickens) were collected according to the national surveillance plan and one sample was confirmed positive.
Outbreak 2 Gaoqi live bird market, Xiaomen, FUJIAN
Date of start of the outbreak 25/04/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1 0 0 0
Affected population 126 samples (40 chicken samples, 60 duck samples and 26 environment samples) were collected according to the national surveillance plan and one was confirmed positive by the National Reference Laboratory.
Outbreak 3 Live bird market, Litong District, Wuzhong, NINGXIA
Date of start of the outbreak 25/04/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1 0 0 0
Affected population 90 samples (80 chicken samples and 10 environment samples) were collected according to the national surveillance plan and one was confirmed positive by the National Reference Laboratory.
Outbreak 4 Haixia live bird market, Fuzhou, FUJIAN
Date of start of the outbreak 25/04/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 2 0 0 0
Affected population 120 samples(including 50 chicken samples, 50 duck samples and 20 enviroment samples) were collected according to the national surveillance plan and 2 chicken samples were tested positive.
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 5 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** 0.00% **
*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
  • Stamping out
  • Movement control inside the country
  • Screening
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • Dipping / Spraying
  • 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抯 Reference Laboratory) Birds gene sequencing 06/05/2014 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE抯 Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 06/05/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
See Also: Latest news in those days:

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