Table 2.

Characteristic of all cats living in the SARS-CoV-2 Delta-lineage-positive households and clinical signs observed.

Cat ID	SARS-CoV-2 Positivity	Age (Years)	Sex	Breed	Outdoor Access	Pre-Existing Condition	Clinical Signs	Clinical Signs Observed 1
Cat 22.2	RNA, Abs	unknown	fn	Oriental Shorthair	No		No
Cat 29.3	RNA	5	f	Europ. Shorthair	Yes		No
Cat 39.1 Cat 39.2	RNA, Abs RNA, Abs	8 13	mn fn	Unknown Unknown	Yes Yes	Arthrosis	Yes No	Respiratory (nasal discharge)
Cat 38.1 Cat 38.2	No RNA	1.5 1.5	mn mn	Bengal Bengal		Giardia infection Giardia infection	Yes Yes	Respiratory and gastrointestinal (ocular discharge, vomiting) Respiratory and gastrointestinal (ocular discharge, vomiting); lethargy, apathy, reduced appetite, bacterial cystitis 2
Cat 36.1	RNA	18	fn	Mixed breed		Hyper-thyreosis	No
Cat 49.1 Cat 49.2	RNA, Abs RNA, Abs	11 17	mn mn	Somali Maine Coon	No No		No No
Cat 174.1 Cat 174.2	Abs Abs	9 9	mn mn	Europ. Shorthair Europ. Shorthair	Yes Yes		No No
Cat 211.1	Abs	10	f	Europ. Shorthair	No		Yes	Gastrointestinal 2 (vomiting, absent defecation)

¹ If not indicated otherwise, clinical signs were observed and reported by the animal owners. ² Clinical signs observed by private veterinary practitioner; f: female; fn: female neutered; m: male; mn: male neutered; Abs: antibodies; RNA: viral ribonucleic acid detected using RT-qPCR; bold: clinical signs present.