African swine fever,
China (People's Rep. of)
Information received on 29/07/2020 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 Follow-up report No. 1
Date of start of the event 01/04/2020
Date of confirmation of the event 05/04/2020
Report date 29/07/2020
Date submitted to OIE 29/07/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 13/11/2019
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (07/04/2020)
Follow-up report No. 1 (29/07/2020)
New outbreaks (1)
Outbreak 1 Luohuang Highway checkpoint(Xianfeng) for Animal health supervision, Jiangjin District, Chongking
Date of start of the outbreak 22/07/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 24 4 1 23 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 24 4 1 23 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 16.67% 4.17% 25.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Illegal movement of animals
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Screening
  • Traceability
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • Disinfestation
  • 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
Chongking Animal Disease Control Center (Local laboratory) Swine polymerase chain reaction (PCR) 24/07/2020 Positive
Chongking Animal Disease Control Center (Local laboratory) Swine real-time PCR 24/07/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations