OIE: Highly pathogenic avian influenza(H5N6),China (People´s Rep. of)

Information received on 09/10/2016 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. 17
Date of start of the event 23/08/2014
Date of confirmation of the event 01/09/2014
Report date 08/10/2016
Date submitted to OIE 09/10/2016
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 04/05/2014
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (01/09/2014)
Follow-up report No. 1 (04/09/2014)
Follow-up report No. 2 (24/10/2014)
Follow-up report No. 3 (23/01/2015)
Follow-up report No. 4 (28/01/2015)
Follow-up report No. 5 (06/02/2015)
Follow-up report No. 6 (01/04/2015)
Follow-up report No. 7 (03/04/2015)
Follow-up report No. 8 (25/05/2015)
Follow-up report No. 9 (14/08/2015)
Follow-up report No. 10 (11/12/2015)
Follow-up report No. 11 (18/01/2016)
Follow-up report No. 12 (22/01/2016)
Follow-up report No. 13 (29/02/2016)
Follow-up report No. 14 (11/03/2016)
Follow-up report No. 15 (20/06/2016)
Follow-up report No. 16 (31/08/2016)
Follow-up report No. 17 (08/10/2016)
New outbreaks (2)
Outbreak 1 Farm, Jinchuan District, Jinchang City, GANSU
Date of start of the outbreak 02/10/2016
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 95172 30000 18000 77172 0
Outbreak 2 Farm, Xiaochang Country, Xiaogan City, HUBEI
Date of start of the outbreak 02/10/2016
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 6100 4338 3934 2166 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 101272 34338 21934 79338 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 33.91% 21.66% 63.88% 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
  • Screening
  • Disinfection / Disinfestation
  • Modified stamping out
  • Zoning
  • 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 Veterinary Research Institute (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 08/10/2016 Positive
Harbin Veterinary Research Institute (OIE Reference Laboratory) Birds virus isolation 08/10/2016 Positive
Harbin Veterinary Research Institute (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 08/10/2016 Positive
Harbin Veterinary Research Institute (OIE Reference Laboratory) Birds virus isolation 08/10/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.