Molecular Detection of Equine Herpesvirus Types 1 and 4 Infection in Healthy Horses in Isfahan Central and Shahrekord Southwest Regions, Iran

Table 3

Occurrence of EHV-1 and EHV-4 infections among different age groups of horses in Isfahan and Shahrekord.

Age (years)	Number of samples collected		Number (%) of horses infected with virus
	Isf.	Sha.	EHV-1		EHV-4		Both EHV-1 and EHV-4
			Isf.	Sha.	Isf.	Sha.	Isf.	Sha.
<1	7	3	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
1-2	11	4	1 (9.09)	0 (0)	0 (0)	1 (25)	0 (0)	0 (0)
2-3	11	6	2 (18.18)	1 (16.66)	4 (36.36)	1 (16.66)	2 (18.18)	1 (16.66)
>3	24	24	4 (16.66)	2 (8.33)	5 (20.83)	4 (16.66)	4 (16.66)	2 (8.33)
Total	53	37	7 (13.20)	3 (8.10)	9 (16.98)	6 (16.21)	6 (11.32)	3 (8.10)

Keys: EHV-1: equine herpesvirus type 1; EHV-4: equine herpesvirus type 4; Isf.: Isfahan; Sha.: Shahrekord.