TABLE 2.

Survival of BALB/c mice following ocular challenge with various amounts of HSV-IL-2^a

Virus	No. of mice surviving/total (% surviving) after challenge with:
	2 × 104 PFU/eye	2 × 105 PFU/eyeb	2 × 106 PFU/eye	2 × 107 PFU/eye
HSV-IL-2	5/5 (100)	54/60 (90)	13/15 (87)c	10/10 (100)
McKrae	0/5 (0)	4/45 (9)	0/5 (0)	NDd
dLAT2903	0/5 (0)	6/45 (13)	0/5 (0)	ND
HSV-IL-2Re	ND	0/10 (0)	ND	ND

^aMice were inoculated ocularly with various amounts of each virus, and survival was determined as described in Materials and Methods.

^bData from three separate experiments were combined.

^cData from two separate experiments were combined.

^dND, not done.

^eRescued virus.