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)
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)
Follow-up report No. 2 (09/10/2020)
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
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