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2024-4-29 17:48:36


OIE: Low pathogenic avian influenza (poultry),(People´s Rep. of), (Follow-up report No. 12)
submited by kickingbird at Feb, 13, 2014 12:21 PM from OIE

Information received on 11/02/2014 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. 12
Date of start of the event 04/04/2013
Date of pre-confirmation of the event 04/04/2013
Report date 11/02/2014
Date submitted to OIE 11/02/2014
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)
New outbreaks (5)
Outbreak 1 Jinhua livestock trade market, Guigang, GUANGXI
Date of start of the outbreak 17/01/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 142915 4 0 142915 0
Affected population Totally 261 samples were collected from the live bird market (including 220 chicken samples, 11 duck samples and 30 environment samples) according to the National surveillance plan and no clinical signs were found. 4 chicken samples tested positive.
Outbreak 2 Zhugong Lake agriculture products market, Zhuji, ZHEJIANG
Date of start of the outbreak 22/01/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 60 1 0 60 0
Affected population Totally 19 samples were collected from the live bird market (including 11 chicken samples, 4 duck samples and 4 environment samples) according to the National surveillance plan and no clinical signs were found. One environment sample tested positive.
Outbreak 3 Xuzhen live bird market, Xingning , Meizhou, GUANGDONG
Date of start of the outbreak 23/01/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 106 1 0 106 0
Affected population Totally 42 chicken samples were collected from the live bird market according to the National surveillance plan and no clinical signs were found. One sample tested positive.
Outbreak 4 Live bird market, Miluo, Yueyang, HUNAN
Date of start of the outbreak 27/01/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 14273 3 0 14273 0
Affected population Totally 137 samples were collected from the live bird market (including 50 chicken samples, 30 duck samples and 57 environment samples) according to the National surveillance plan and no clinical signs were found. 2 chicken samples and 1 duck sample tested positive.
Outbreak 5 Heping wholesale market, Xiangzhou, Zhuhai, GUANGDONG
Date of start of the outbreak 28/01/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1469 2 0 1469 0
Affected population Totally 360 samples were collected from the live bird market (including 160 chicken samples, 60 duck samples, 60 goose samples and 20 environment samples). 2 chicken samples tested positive.
Summary of outbreaks Total outbreaks: 5
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 158823 11 0 158823 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.01% 0.00% 0.00% 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
  • Stamping out
  • Movement control inside the country
  • 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 virus isolation 22/01/2014 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE抯 Reference Laboratory) Birds virus isolation 27/01/2014 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE抯 Reference Laboratory) Birds virus isolation 29/01/2014 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE抯 Reference Laboratory) Birds virus isolation 01/02/2014 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE抯 Reference Laboratory) Birds virus isolation 02/02/2014 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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