Table. Clinical signs and serologic findings for 40 dogs exposed to equine influenza virus, Australia, October 2007*.

Dog	Breed	Age/sex	Clinical signs	Day of sample collection		PCR	Titer
							ELISA				HI assay
				1st	2nd		1st	2nd	3rd†		1st	2nd	3rd†
1	Cattle dog x	6 mo/F	Cough	5	NS	Neg	70	NA	NA		64	NA	NA
2	Whippet	6 mo/F	Cough, inappetance, lethargy, nasal discharge	5	25	Neg	79	69	Neg		128	128	128
3	Rottweiler	UK	Cough, lethargy	10	25	Neg	Neg	65	Neg		Neg	Neg	Neg
4	Dalmation	3 y/MN	Cough, inappetance, lethargy	11	NS	Neg	74	NA	NA		64	NA	NA
5	Kelpi x	9.5 y/FN	Cough, lethargy	12	26	Neg	66	74	NA		64	128	NA
6	Border collie	5 y/MN	Inappetance, lethargy	13	27	Neg	60	75	Neg		64	32	64
7	Cattle dog	4.5 y/M	Cough, lethargy	13	27	Neg	64	57	Neg		256	128	128
8	German shepherd	9 y/M	Inappetance, lethargy	14	30	Neg	Neg	Neg	NA		Neg	Neg	NA
9	Jack Russell	9 y/MN	Cough	14	30	Neg	Neg	65	NA		Neg	Neg	NA
10	Lowchen	2 y/MN	Cough, inappetance, lethargy, nasal discharge	26	NS	Neg	Neg	NA	Neg		Neg	NA	Neg
11	Cattle dog x	18 mo/F	None	10	26	Neg	77	75	NA		64	64	NA
12	Fox terrier x poodle	15 y/FN	None; lived with dog 4	11	NS	Neg	Neg	Neg	NA		Neg	Neg	NA
13	Kelpie x	4 y/MN	None	12	26	Neg	64	71	Neg		128	64	128
14	German shepherd	1.5 y/MN	None	12	26	Neg	71	67	Neg		128	64	64
15	Kelpie x labrador	10 y/FN	None	12	26	Neg	71	80	Neg		256	32	Neg
16	Cattle x kelpie	3 y/MN	None	12	27	Neg	64	61	Neg		128	32	64
17	Unknown	UK	None	12	27	Neg	66	66	Neg		256	64	32
18	Border collie	1 y/M	None	12	27	Neg	78	59	Neg		128	64	128
19	Jack Russell x	2.5 y/MN	None	12	26	Neg	49	71	NA		32	16	NA
20	Greyhound	18 mo/F	None	12	26	Neg	Neg	Neg	NA		256	128	NA
21	Greyhound	2 y. M	None	12	26	Neg	Neg	55	NA		Neg	Neg	NA
22	Greyhound	5 y/M	None	12	25	Neg	Neg	Neg	NA		Neg	Neg	NA
23	Greyhound	18 mo/F	None	12	25	Neg	Neg	Neg	NA		Neg	Neg	NA
24	Greyhound	18 m/F	None	12	25	Neg	Neg	Neg	NA		Neg	Neg	NA
25	Cattle x kelpie	4 y/FN	None	12	26	Neg	51	73	Neg		128	64	64
26	Poodle	5 mo/M	None, lived with dog 7	13	27	Neg	Neg	Neg	Neg		8	Neg	Neg
27	Jack Russell	5 y/F	None, lived with dog 5	13	27	Neg	Neg	Neg	NA		Neg	Neg	NA
28	Cattle x hunterway	4.5 y/M	None	14	30	Pos	Neg	50	NA		Neg	64	NA
29	Border collie	4 y/FN	None	15	NS	Neg	Neg	NA	NA		Neg	NA	NA
30	Cattle	13 y/MN	None	15	NS	Neg	Neg	NA	NA		>32	NA	NA
31	Jack Russell	UK	None	15	NS	Neg	76	NA	NA		64	NA	NA
32	Rottweiler	UK	None	15	NS	Neg	76	NA	Inc		128	NA	128
33	Fox terrier	4 y/MN	None	15	NS	Neg	78	NA	NA		32	NA	NA
34	Labrador	13 y/FN	None	15	NS	Neg	51	NA	NA		64	NA	NA
35	x	UK	None	18	NS	Neg	Neg	NA	Neg		Neg	NA	Neg
36	x	UK	None	18	NS	Neg	73	NA	Neg		64	NA	64
37	x	UK	None	18	NS	Neg	Neg	NA	Neg		Neg	NA	Neg
38	x	UK	None	18	NS	Neg	Neg	NA	NA		Neg	NA	NA
39	x	UK	None	18	NS	Neg	67	NA	Neg		256	NA	128
40	Poodle x	9 y/UK	None, lived with dog 10	26	NS	Neg	Neg	NA	Neg		Neg	NA	Neg

*HI, hemagglutination inhibition; x, cross-breed; NS, not sampled; neg, negative; NA, not applicable; pos, positive; UK, unknown; MN, male neutered; FN, female neutered.
†Samples collected ≈2 y after second sample.