Serological Evidence of SARS-CoV-2 Exposure in Domestic Dogs and Cats, Thailand: Detection of SARS-CoV-2 Omicron Variant in Dogs Living in COVID-19-Positive Households

Table 3

Result of SARS-CoV-2 detection from swab samples of dog and owner by real-time RT–PCR.

ID	Species	Age	Sample	Real-time RT–PCR result (Ct)
				Day 1^a		Day 3		Day 5		Day 7
				E^b	RdRp^b	E	RdRp	E	RdRp	E	RdRp
CU28424	Dog	1.5 Y	Nasal		33.01	—	—	—	—	—	—
			Oral	—	34.33	—	—	—	—	—	—
			Rectal	—	—	—	—	—	—	—	—
			Hair	30.18	31.82	—	—	33.68	30.95	—	—
CUh10001	Owner	35 Y	Nasal	N/A	N/A		25.03	N/A	N/A	N/A	N/A
			Oral	N/A	N/A	34.85	33.09	N/A	N/A	N/A	N/A

^aDay: day of sample collection after the owner test positive for SARS-CoV-2 (Days 1, 3, 5, and 7). ^bE, RdRp: specific targets for SARS-CoV-2 detection by real-time RT–PCR (E and RdRp genes). Virus characterized in this study.