Table 4. Global estimates of the incidence of the herpes simplex virus type 2 infection, in 2003.

Age in years	Global incidence in millions (percentage per population)
	Females	Males	Both
15–19	4.3 (1.5)	2.7 (0.9)	6.9 (1.2)
20–24	2.7 (1.0)	2.1 (0.8)	4.8 (0.9)
25–29	1.9 (0.8)	1.7 (0.7)	3.5 (0.7)
30–34	1.4 (0.6)	1.4 (0.6)	2.9 (0.6)
35–39	1.1 (0.5)	1.2 (0.5)	2.3 (0.5)
40–44	0.8 (0.4)	1.0 (0.5)	1.8 (0.4)
45–49	0.6 (0.3)	0.8 (0.4)	1.4 (0.4)
Total	12.8 (0.8)	10.8 (0.6)	23.6 (0.7)