TABLE 4.

Detection of HSV DNA from CSF specimens collected at the Mayo Clinic from August 1993 through December 1997

Yr	No. of specimens tested	No. of positive specimens	% Positive	No. of subjects positive			HSV-positive male/female ratio
				Male	Female	Unknown gender
1993	80	3	3.8	1	1	1	1.0
1994	475	28	5.9	12	12	4	1.0
1995	1,019	90	8.8	37	48	5	0.77
1996	1,951	122	6.3	45	74	3	0.61
1997	3,082	166	5.4	63	99	4	0.64
Total	6,607	409	6.2	158	234	17	0.67