Hong Kong (SAR - PRC)
Information received on 11/12/2020 from Dr Thomas Sit, Chief Veterinary Officer / Assistant Director (Inspection & Quarantine), Agriculture, Fisheries and Conservation Department, Hong Kong Special Administrative Region Government, Hong Kong , Hong Kong (SAR - PRC)
Report type Follow-up report No. 2
Date of start of the event 23/11/2020
Date of confirmation of the event 25/11/2020
Report date 11/12/2020
Date submitted to OIE 11/12/2020
Reason for notification Emerging disease
Morbidity 1 (scale 0 to 5)
Mortality 0 (scale 0 to 5)
Zoonotic impact Zoonotic potential unknown at this time
Causal agent SARS-CoV-2
Related reports Immediate notification (27/11/2020)
Follow-up report No. 1 (04/12/2020)
Follow-up report No. 2 (11/12/2020)
Follow-up report No. 3 (18/12/2020)
Follow-up report No. 4 (29/12/2020)
Follow-up report No. 5 (08/01/2021)
Follow-up report No. 6 (14/01/2021)
New outbreaks (1)
Outbreak 1 ( 20-15703) Tsuen Wan, Tsuen Wan District, Hong Kong
Date of start of the outbreak 23/11/2020
Outbreak status Resolved (05/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 2 1 0 0 0
Affected population A dog kept in the same household as a contact of confirmed COVID-19 patient. The animal did not show any relevant clinical signs
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 2 1 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Dogs 50.00% 0.00% 0.00% 0.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Likely human to animal transmission
Epidemiological comments PCR continuous to be positive for samples collected from a previously confirmed cat on 4 Dec 2020.
Control measures
Measures applied
  • Screening
  • Traceability
  • Quarantine
  • 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
Tai Lung Veterinary Laboratory, Agriculture Fisheries and Conservation Department (National laboratory) Cats real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 10/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations