TABLE 1.

First European Union Concerted Action HSV Proficiency Panel

Vial no.	Virus	No. of HSV GE/ml	No. of positive results/no. of testsa
1	None		0/7
2	HSV-1	2 × 104–5 × 104	7/7
3	HSV-2	2 × 103–5 × 103	1/7
4	HSV-1	2 × 102–5 × 102	3/7
5	HSV-1	2 × 105–5 × 105	7/7
6	HSV-2	2 × 106–5 × 106	7/7
7	HSV-1	2 × 103–5 × 103	7/7
8	None		0/7
9	HSV-2	2 × 105–5 × 105	6/7
10	HSV-2	2 × 104–5 × 104	6/7
11	VZV		0/7
12	HSV-1	0.7 × 103–1.7 × 103	5/7

^aPanel tested by six reference laboratories using a total of seven different molecular methods before distribution.