No evidence of horizontal infection in horses kept in close contact with dogs experimentally infected with canine influenza A virus (H3N8)

Table 2 Clinical scores for each animal^a

Days after inoculation	Dog 1	Dog 2	Dog 3
−1	0	0	0
0	0	0	0
1	0	0	0.5
2	0	1.5	2.0
3	1.0	0.5	0.5
4	0.5	0.5	0.5
5	0.5	0	0.5
6	1.0	0.5	1.0
7	0	0.5	0.5
8	1.0	0.5	2.5
9	1.0	0.5	2.0
10	2.0	1.0	3.5
11	0.5	0.5	0.5
12	0.5	0	2.0
13	1.5	0.5	1.5
14^b	0	0	1.5
15	Nil	Nil	Nil
16	Nil	Nil	Nil
17	Nil	Nil	Nil
18	Nil	Nil	Nil
19	Nil	Nil	Nil
20	Nil	Nil	Nil
21^b	Nil	Nil	Nil

^a Animals with the same number were paired.
^bThe dogs and horses were euthanized on Day 14 and 21, respectively, after sample collection

ISSN: 1751-0147