TABLE 1.

HSV-1 IE mutants used in this study

Virus	Phenotype	Reference
7134	ICP0−	8
7134R	Wild type	8
n212	ICP0−	8
n12	ICP4−	16
n199	ICP22−	58
5dl1.2	ICP27−	46
d106	ICP4−, -22−, -27−, and -47−	61
d109	ICP0−, -4−, -22−, -27−, and -47−	61