COVID-19 (SARS-COV-2),
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)

Summary

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

Epidemiology

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