TABLE 1.

Experimental groups

Expt	Virus(es)	n	Vol (μl)	PFU/ml (108)	Survival (h)
Single unilateral intravitreal injection	PRV-Bartha	7	2	28	97–10
	PRV-D	2	2	3.2	48
		4	2	3.2	71–77
		2	2	3.2	90
	PRV-BaBlu	1	2	4.75	48
		4	2	4.75	73
		7	2	4.75	94–99
		5	2	4.75	118–120
		3	2	4.75	140
Simultaneous unilateral intravitreal injection	PRV-D, PRV-BaBlu	2	2 each	3.2, 4.75	60
		4	2 each	3.2, 4.75	72
		1	2 each	3.2, 4.75	85
		3	2 each	3.2, 4.75	96 (died)
Simultaneous injection into different eyes	PRV-D, PRV-BaBlu	2	2 each	3.2, 4.75	77
		2	2 each	3.2, 4.75	85
Single injection into ventral stomach	PRV-BaBlu	1	4	4.75	48
		2	4	4.75	73
		3	4	4.75	99
	PRV-D	3	4	3.2	70–72
PRV-BaBlu followed 24 h later by PRV-D into ventral stomach	PRV-D, PRV-BaBlu	1	2 each	3.2, 4.75	72
		1	2 each	3.2, 4.75	80
		4	2 each	3.2, 4.75	94
PRV-D followed 24 h later by PRV-BaBlu into ventral stomach	PRV-D, PRV-BaBlu	1	2 each	3.2, 4.75	65
		2	2 each	3.2, 4.75	73