Table 1.

Clinical, molecular and serological results from 31 horses involved in an EHV-1 outbreak.

Horse	Clinical Signs		qPCR		Serology
	Fever in °C (Peak/Duration)	Other Signs	Nasal Shedding	Viremia	Day 0	Day 35
1	38.8/6	-	-	-	-	-
2	39.3/2	DLE	+	+	-	-
3	No	-	+	+	+	+
4	40.6/3	-	+	+	doubtful	+
5	39.7/3	-	+	+	-	+
6	39.9/4	-	+	+	+	+
7	39.6/6	-	+	-	+	+
8	39.3/1	-	+	-	-	+
9	38.9/1	-	+	-	-	+
10	40.1/2	A	-	+	-	doubtful
11	38.8/1	A	+	+	-	-
12	38.9/1	-	+	+	-	+
13	40.1/3	A	+	+	-	+
14	38.7/2	-	+	-	-	+
15	39.2/1	-	+	-	-	-
16	38.7/1	-	+	-	-	-
17	38.8/1	-	+	-	+	+
18	40.9/5	ND	+	+	-	+
19	41.0/5	A	+	+	-	+
20	40.5/8	A	+	-	-	+
21	No	-	+	-	-	+
22	39.7/4	A,ND	+	+	-	+
23	40.1/5	-	+	+	+	+
24	39.4/2	ND	-	+	doubtful	+
25	No	-	+	-	+	+
26	39.1/4	-	-	+	-	+
27	39.3/4	-	+	+	+	+
28	40.6/6	DLE	+	+	-	+
29	No	-	+	-	-	+
30	40.9/2	A,DLE,ND	-	+	-	doubtful
31	No	-	-	-	-	-
Total	Fever (26 horses) No fever (5)	A (7) DLE (3) ND (4)	negative (5) positive (26)	negative (13) positive (18)	negative (22) doubtful (2) positive (7)	negative (6) doubtful (2) positive (23)

A = anorexia; DLE = distal limb edema; ND = neurological deficits (ataxia, weakness, proprioceptive deficits).