Table 5.

Pseudotype-based neutralization assay (PVNT) results: variant-specific antibodies for Alpha, Beta, Delta, or Omicron variants.

Animal ID	Pseudotype-Based Neutralization Assay (Neutralization Titers 1)				Identified Variant
	Alpha	Beta	Delta	Omicron
Dog 22.1	<50	<50	58	<17	Delta
Cat 22.2	<50	<50	115	20	Delta
Dog 29.1	<50	55	94	<17	Delta
Cat 39.1	68	71	166	27	Delta
Cat 39.2	143	101	224	25	Delta
Cat 36.1	49	<50	463	22	Delta
Cat 49.1	91	72	229	<50	Delta
Cat 49.2	<50	<50	74	<50	Delta
Dog 149.1	<50	<50	261	<17	Delta
Cat 174.1	225	276	550	74	Delta
Cat 174.2	411	707	1890	379	Delta
Cat 211.1	240	254	341	52	Delta

¹ Samples with no measurable titers are considered negative. For samples with one or more titers, the pseudotype variant that generates the highest titer indicates the variant the animal has likely been infected with (bold types).