Information received on 11/02/2020 from Dr Huang Baoxu, Secretary of the Party Leadership Group, Animal Health and Epidemiology Centre, Ministry of Agriculture and Rural Affairs, Qingdao, China (People´s Rep. of)
Summary
Report type
Immediate notification
Date of start of the event
02/02/2020
Date of confirmation of the event
09/02/2020
Report date
11/02/2020
Date submitted to OIE
11/02/2020
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
13/03/2017
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N6
Nature of diagnosis
Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to
a defined zone within the country
New outbreaks (1)

Outbreak 1
Qingzaigong Village,Fengming Township, Xichong, Nanchong, Sichuan
Date of start of the outbreak
02/02/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
2497
1840
1840
657
0
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
2497
1840
1840
657
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
73.69%
73.69%
100.00%
100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Introduction of new live animals
Epidemiological comments
A total of 2,261 animals were killed: 657 birds at the outbreak site and 1,604 in the outbreak area.

Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Screening
Quarantine
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Stamping out
Zoning
Disinfection
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 National Reference Laboratory for Avian Influenza (OIE Reference Laboratory)
Birds
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
09/02/2020
Positive
Harbin National Reference Laboratory for Avian Influenza (OIE Reference Laboratory)
Birds
virus isolation
09/02/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.