[Source: OIE, full page: (LINK). Edited.]
Low pathogenic avian influenza (poultry) H7N9, China (People's Rep. of)
Information received on 21/05/2013 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)
Summary
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Low pathogenic avian influenza (poultry) H7N9, China (People's Rep. of)
Information received on 21/05/2013 from Dr Zhang Zhongqui, 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. 9
- Date of start of the event 04/04/2013
- Date of pre-confirmation of the event 04/04/2013
- Report date 21/05/2013
- Date submitted to OIE 21/05/2013
- 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)
- New outbreaks (1)
- Outbreak 1 - Fuli market, Licheng, Zengcheng, GUANGDONG
- Date of start of the outbreak 20/05/2013
- 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 One sample from a chicken
- Outbreak 1 - Fuli market, Licheng, Zengcheng, GUANGDONG
- Summary of outbreaks
- Total outbreaks: 1
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds - ? ? 1 ? 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
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Total outbreaks: 1
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Source of the outbreak(s) or origin of infection
- Epidemiological comments
- Gene sequencing shows that it is low pathogenic avian influenza virus (LPAI). The intravenous pathogenicity index (IVPI) is 0.
- Control measures
- Measures applied
- Control of wildlife reservoirs
- Quarantine
- 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
- Stamping out
- Measures applied
- Diagnostic test results
- Laboratory name and type ? Species ? Test - Test date ? Result
- Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) ? Birds - intravenous pathogenicity index (IVPI) test - 27/04/2013 ? Negative
- Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) ? Birds - gene sequencing - 20/05/2013 ? Positive
- Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) ? Birds - haemagglutination inhibition test (HIT) - 20/05/2013 ? Positive
- Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) ? Birds - intravenous pathogenicity index (IVPI) test - 20/05/2013 ? Negative
- Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) ? Birds - pathogen isolation by egg inoculation - 20/05/2013 ? Positive
- Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE?s Reference Laboratory) ? Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 20/05/2013 ? Positive
- Laboratory name and type ? Species ? Test - Test date ? Result
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
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